{"title":"Engine Blocks","description":null,"products":[{"product_id":"darton-sleeves-mid-sleeves-honda-b-series-b16-b18","title":"Darton Sleeves MID Sleeves Honda B-Series B16 B18","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"B16 81mm","offer_id":62764385960266,"sku":"DTN--400-110-P","price":817.42,"currency_code":"GBP","in_stock":true},{"title":"B16 84mm","offer_id":62764385993034,"sku":"DTN--400-120-P","price":817.42,"currency_code":"GBP","in_stock":true},{"title":"B18 81mm","offer_id":62764386025802,"sku":"DTN--400-135-P","price":849.0,"currency_code":"GBP","in_stock":true},{"title":"B18 84mm (Top Fuel Material) DDI2017","offer_id":62764386058570,"sku":"DTN--400-145-D","price":849.0,"currency_code":"GBP","in_stock":true},{"title":"B16 Drag Only","offer_id":62764386091338,"sku":"DTN-400-170","price":817.42,"currency_code":"GBP","in_stock":true},{"title":"B18 Drag Only","offer_id":62764386124106,"sku":"DTN-400-180","price":817.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-b-series-b16-b18-engine-blocks-842.webp?v=1784499248"},{"product_id":"darton-sleeves-mid-sleeves-honda-d-series-d16","title":"Darton Sleeves MID Sleeves Honda D-Series D16","description":"\u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eO.D.\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eWall\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eOAL\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eFlange Thickness\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eFlange Diameter\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e2.940\u003c\/td\u003e \u003ctd\u003e3.400\u003c\/td\u003e \u003ctd\u003e0.230\u003c\/td\u003e \u003ctd\u003e5.450\u003c\/td\u003e \u003ctd\u003e0.500\u003c\/td\u003e \u003ctd\u003e4.326\u003c\/td\u003e \u003ctd\u003e75mm-78mm Max.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"Default Title","offer_id":62764408996170,"sku":"DTN--400-100","price":817.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-d-series-d16-engine-blocks-585.webp?v=1784499560"},{"product_id":"genuine-honda-bare-bottom-end-lower-block-k-series-k20a-civic-type-r-fd2-fn2-accord-cl7","title":"Genuine Honda Bare Bottom End Lower Block K-Series K20A Civic Type-R FD2 FN2 Accord CL7","description":"\u003cp\u003eGenuine Honda Lower Block. This bare K20A lower block is perfect for rebuilding your blown engine or building up as part of a high performance build. Please note that this block is sold without any internal components. 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When you are ready to roll into the throttle, the engine is full of low end punch and comes to life with Honda's i-VTEC system. The high flow CNC cylinder head and high lift camshaft allow this engine to accelerate its 320hp aggressively beyond 9000 rpm. Lean into the throttle on an open road and the power and sound experience is liberating. All this with the peace of mind that you are commanding a durable and reliable engine.  Power level is quoted based on pump gasoline and popular street induction and header.  Race pieces will increase output. \u003c\/p\u003e \u003cul\u003e \u003cli\u003eBrand New OEM engine core!\u003c\/li\u003e \u003cli\u003eStock cylinder sleeve Honda K24 engine block 99mm stroke x 87mm bore\u003c\/li\u003e \u003cli\u003eForged H-Beam connecting rod\u003c\/li\u003e \u003cli\u003eWiseco Armor Plated 12.5:1 piston\u003c\/li\u003e \u003cli\u003eKing race bearings, ARP fasteners, Cometic Head Gasket\u003c\/li\u003e \u003cli\u003e4P Pro TSX CNC Cylinder Head with Ferrea 6000 Valves\u003c\/li\u003e \u003cli\u003e4P High Performance Street Valve Spring Kit\u003c\/li\u003e \u003cli\u003e4P tool steel billet RR4 iVTEC camshafts\u003c\/li\u003e \u003cli\u003e4P Ported oil pump and baffled sump\u003c\/li\u003e \u003cli\u003eAll new Honda timing components and hardware\u003c\/li\u003e \u003cli\u003eMeticulously assembled and supplied with detailed build sheets.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eRecommended Use\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDaily Street Use\u003c\/li\u003e \u003cli\u003eAuto X\u003c\/li\u003e \u003cli\u003eTrack Use\u003c\/li\u003e \u003cli\u003eMinimum 91 Octane Pump Gas \/ E85 \/ Race Fuel\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eArmor Plated Forged Pistons and Forged Connecting Rods\u003c\/li\u003e \u003cli\u003ePremium Valvetrain Components for Extended Durability\u003c\/li\u003e \u003cli\u003ePrecision Machined CNC Cylinder Head Designed for use throughout the powerband\u003c\/li\u003e \u003cli\u003eMeticulously Assembled - Supplied with full engine specifications and tolerances\u003c\/li\u003e \u003cli\u003eRecommend periodic maintenance procedures\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWhen you purchase a 4 Piston Racing complete engine, you aren't just buying any run-of-the-mill engine package. You are investing in a fully developed and tested engine program that is designed not only for maximum power output, but also for maximum durability. Our engines are meticulously assembled with a great deal of pride in a clean environment, using the only the finest calibrated tools and by engine builders who specialize in performance racing applications. \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":62764439077194,"sku":"4PR-K24-K320","price":11295.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/4-piston-racing-k24-k320-2-4l-complete-crate-engine-blocks-370.webp?v=1784499975"},{"product_id":"4-piston-racing-k20-k330-2-0l-complete-engine-road-race-rally-no-core-required-including-valve-cover","title":"4 Piston Racing K20-K330 2.0L Complete Crate Engine - Road Race \/ Rally","description":"\u003cp\u003eThe 4 Piston Racing 2.0L K330 Endurance Engine is specifically designed for maximum power output and extended durability. This engine is a \"no-compromises\" approach using the highest quality components available, starting with a rigid 4P ductile iron sleeve and our durable I-beam billet steel connecting rod. This long ratio rod is connected to a strutted ultra lightweight, short-skirt piston with tool steel wrist pin. The piston and ring package are specifically designed for this engine to provide superior ring seal and extended use in abusive conditions. Air and fuel move through this engine via our Pro TSX+ 1 CNC Cylinder Head and 4P RR3 billet camshaft, both that were specifically developed for this 2.0L engine package. We are on the cutting edge of 4 valve cylinder head technology and you will not find similar performance in any other cylinder head. Valve motion is controlled by the highest quality PAC valve spring. Oil pressure and controlled by a 4P CNC Ported oil pump and baffled pan, designed to keep your engine properly lubricated in the most extreme g forces in all directions. When you buy a 4P Endurance Engine you aren't just investing in a top competitor, you are investing in a customer support system and an engine program that you can depend on for multiple race seasons.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e4P rigid ductile iron sleeve Honda K20  engine block 86mm stroke x 86mm bore\u003c\/li\u003e \u003cli\u003eOptional larger bore up to 90mm if your class allows more displacement.\u003c\/li\u003e \u003cli\u003e4P I-beam long rod connecting to an 18mm tool steel wrist pin\u003c\/li\u003e \u003cli\u003e4P Wiseco strutted box forged ultra lightweight piston, armor plated, high compression\u003c\/li\u003e \u003cli\u003eACL race bearings, ARP fasteners, exclusive 4P spec head gasket for better seal\u003c\/li\u003e \u003cli\u003e4P Pro TSX+1 CNC Cylinder head, Ferrea valves, Ferrea PAC HD valve springs, retainers, and locks\u003c\/li\u003e \u003cli\u003e4P tool steel billet RR3 iVTEC camshafts\u003c\/li\u003e \u003cli\u003e4P Ported oil pump and baffled sump\u003c\/li\u003e \u003cli\u003eAll new Honda timing components and hardware\u003c\/li\u003e \u003cli\u003eComplete engine valve cover to oil pan\u003c\/li\u003e \u003cli\u003eMeticulously assembled and supplied with detailed build sheets\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eRecommended Use\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRoad Race\u003c\/li\u003e \u003cli\u003eTime Attack\u003c\/li\u003e \u003cli\u003eRally Race\u003c\/li\u003e \u003cli\u003eRace fuel recommended (compression can be altered to operate with spec fuel)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDurable components and coatings that are designed to last\u003c\/li\u003e \u003cli\u003e4P Pro TSX+1 CNC Cylinder Head with the latest in 4 valve cylinder head technology\u003c\/li\u003e \u003cli\u003ePremium PAC valvetrain designed for long life\u003c\/li\u003e \u003cli\u003e4P Oil Pump and baffled pan provide superior oiling at all rpm ranges under cornering, acceleration and heavy braking\u003c\/li\u003e \u003cli\u003eOptional 4P vented Engraved Valve Cover\u003c\/li\u003e \u003cli\u003eCleanliness and attention to detail that everyone will be proud to own\u003c\/li\u003e \u003cli\u003eMeticulously Assembled - Supplied with full engine specifications and tolerances\u003c\/li\u003e \u003cli\u003eRecommend periodic maintenance procedures\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWhen you purchase a 4 Piston Racing complete engine, you aren't just buying any run-of-the-mill engine package. You are investing in a fully developed and tested engine program that is designed not only for maximum power output, but also for maximum durability. Our engines are meticulously assembled with a great deal of pride in a clean environment, using the only the finest calibrated tools and by engine builders who specialize in performance racing applications. \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":62764442124618,"sku":"4PR-K20-330","price":14124.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/4-piston-racing-k20-k330-2-0l-complete-crate-engine-road-race-rally-blocks-323.webp?v=1784500013"},{"product_id":"darton-sleeves-mid-sleeves-honda-civic-type-r-ep3-integra-dc5-accord-euro-r-cl7-k-series-k20-k24","title":"Darton Sleeves MID Sleeves Honda Civic Type R EP3 Integra DC5 Accord Euro R CL7 K-Series K20 K24","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"K20","offer_id":62764442517834,"sku":"DTN-400-190-P","price":849.0,"currency_code":"GBP","in_stock":true},{"title":"K24","offer_id":62764442550602,"sku":"DTN-400-200-P","price":849.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-civic-type-r-ep3-integra-dc5-accord-euro-cl7-k-series-k20-k24-engine-blocks-456.webp?v=1784500021"},{"product_id":"darton-sleeves-mid-sleeves-honda-civic-type-r-ep3-integra-dc5-accord-euro-r-cl7-k-series-k20-k24-title-k24-clearance-sale","title":"Darton Sleeves MID Sleeves Honda Civic Type R EP3 Integra DC5 Accord Euro R CL7 K-Series K24 - CLEARANCE SALE","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e  \u003cp\u003eCast iron performance in an aluminum block \u003cbr\u003eImproved block integral strength \u003cbr\u003eImproved cooling \u003cbr\u003eKits can be installed by your local machine shop \u003cbr\u003e“Wet sleeve” replaceability \u003cbr\u003eFull installation manual available on website \u003cbr\u003eIncreased horsepower output potential \u003cbr\u003eHigh boost and horsepower potential \u003cbr\u003eSuperior oil and compression control \u003cbr\u003eSuperior cylinder sealing and ring wear \u003cbr\u003eStreet or strip application \u003cbr\u003eBulletproof Darton ductile iron \u003cbr\u003e130,000psi tensile strength\u003c\/p\u003e","brand":"Darton Sleeves","offers":[{"title":"Default Title","offer_id":62764446875978,"sku":"DTN-400-200-P","price":849.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-civic-type-r-ep3-integra-dc5-accord-euro-cl7-k-series-k24-clearance-sale-engine-blocks-633.webp?v=1784500094"},{"product_id":"4-piston-racing-k24-kt750-2-4l-complete-turbo-engine-no-core-required-including-valve-cover","title":"4 Piston Racing K24-KT750 2.4L Complete Turbo Ready Crate Engine","description":"\u003cp\u003eThe 4 Piston Racing KT750 Crate Engine provides the ultimate performance and reliability for your street or race car.  The best part is, NO CORE REQUIRED and no wait time.  These are built from brand new K24A engine cores and you don't need to wait for them to be built.  They are in stock!\u003c\/p\u003e \u003cp\u003eThis 2.4L engine offers a smooth idle and daily drivable street manners, but is built to handle the boost of your turbo or supercharger. When you are ready to roll into the throttle, the engine is full of low-end punch and comes to life with Honda's i-VTEC system. The high flow CNC cylinder head and turbo camshaft allow this engine to accelerate aggressively beyond 9000 rpm. Lean into the throttle on an open road and the power and sound experience is liberating. All this with the peace of mind that you are commanding a durable and reliable engine.  Power level is quoted based on our recommended power level with a turbocharger.  We put a heavy-duty connecting rod, piston, and fasteners specific for turbo engines.  People certainly have pushed them harder than we specify with the parts that are included.  \u003c\/p\u003e \u003cul\u003e \u003cli\u003eBrand New OEM engine core!\u003c\/li\u003e \u003cli\u003eStock cylinder sleeve Honda K24 engine block 99mm stroke x 87mm bore\u003c\/li\u003e \u003cli\u003eSaenz Performance Series I-Beam Connecting Rod\u003c\/li\u003e \u003cli\u003eWiseco Armor Plated 10.5:1 piston\u003c\/li\u003e \u003cli\u003eKing race bearings, ARP fasteners, Cometic Head Gasket\u003c\/li\u003e \u003cli\u003e4P Pro TSX CNC Cylinder Head with Ferrea Comp Plus Valves\u003c\/li\u003e \u003cli\u003e4P High Performance Street Valve Spring Kit\u003c\/li\u003e \u003cli\u003e4P tool steel billet RR3\/Outlaw iVTEC camshafts\u003c\/li\u003e \u003cli\u003e4P Ported oil pump and baffled sump\u003c\/li\u003e \u003cli\u003eAll new Honda timing components and hardware\u003c\/li\u003e \u003cli\u003eMeticulously assembled and supplied with detailed build sheets.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eRecommended Use\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDaily Street Use\u003c\/li\u003e \u003cli\u003eAuto X\u003c\/li\u003e \u003cli\u003eTrack Use\u003c\/li\u003e \u003cli\u003eMinimum 91 Octane Pump Gas \/ E85 \/ Race Fuel\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eArmor Plated Forged Pistons and Premium Forged Connecting Rods\u003c\/li\u003e \u003cli\u003ePremium Valvetrain Components for Extended Durability\u003c\/li\u003e \u003cli\u003ePrecision Machined CNC Cylinder Head Designed for use throughout the powerband\u003c\/li\u003e \u003cli\u003eMeticulously Assembled - Supplied with full engine specifications and tolerances\u003c\/li\u003e \u003cli\u003eRecommend periodic maintenance procedures\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWhen you purchase a 4 Piston Racing complete engine, you aren't just buying any run-of-the-mill engine package. You are investing in a fully developed and tested engine program that is designed not only for maximum power output, but also for maximum durability. Our engines are meticulously assembled with a great deal of pride in a clean environment, using the only the finest calibrated tools and by engine builders who specialize in performance racing applications. \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":62764449038666,"sku":"4PR-K24-KT750","price":11282.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/4-piston-racing-k24-kt750-2-4l-complete-turbo-ready-crate-engine-blocks-947.webp?v=1784500097"},{"product_id":"4-piston-racing-k24-k400-2-5l-complete-engine-road-race-rally-no-core-required-including-valve-cover","title":"4 Piston Racing K24-K400 2.5L Complete Crate Engine - Road Race \/ Rally","description":"\u003cp\u003eThe 4 Piston Racing K400 Endurance Engine is specifically designed for maximum power output and extended durability. This engine is a \"no-compromises\" approach using the highest quality components available, starting with a rigid 4P ductile iron sleeve and our durable I-beam billet steel connecting rod. This long ratio rod is connected to a strutted ultra lightweight, short-skirt piston with tool steel wrist pin. The piston and ring package are specifically designed for this engine to provide superior ring seal and extended use in abusive conditions. Air and fuel move through this engine via our infamous 400 CFM \"Pro 163\" CNC Cylinder Head and 4P RR4 billet camshaft. We are on the cutting edge of 4 valve cylinder head technology and you will not find similar performance in any other cylinder head. Valve motion is controlled by the highest quality PAC valve spring. Oil pressure and controlled by a 4P CNC Ported oil pump and baffled pan, designed to keep your engine properly lubricated in the most extreme g forces in all directions. When you buy a 4P Endurance Engine you aren't just investing in a top competitor, you are investing in a customer support system and an engine program that you can depend on for multiple race seasons.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/aLeJv0ZL6zo?si=lzav3pT4qAWRregR\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e4P rigid ductile iron sleeve Honda K20 or K24 engine block 99mm stroke x 89.5mm bore\u003c\/li\u003e \u003cli\u003e4P I-beam long rod connecting to an 18mm tool steel wrist pin\u003c\/li\u003e \u003cli\u003e4P Wiseco strutted box forged ultra lightweight piston, armor plated, 89.5mm high compression\u003c\/li\u003e \u003cli\u003eACL race bearings, ARP fasteners, exclusive 4P spec head gasket for better seal\u003c\/li\u003e \u003cli\u003e4P Pro 163 CNC Cylinder head, 4P custom valves, Ferrea PAC HD valve springs, retainers, and locks\u003c\/li\u003e \u003cli\u003e4P tool steel billet RR4 iVTEC camshafts\u003c\/li\u003e \u003cli\u003e4P Ported oil pump and baffled sump\u003c\/li\u003e \u003cli\u003eAll new Honda timing components and hardware\u003c\/li\u003e \u003cli\u003eComplete engine valve cover to oil pan\u003c\/li\u003e \u003cli\u003eMeticulously assembled and supplied with detailed build sheets\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eRecommended Use\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRoad Race\u003c\/li\u003e \u003cli\u003eTime Attack\u003c\/li\u003e \u003cli\u003eRally Race\u003c\/li\u003e \u003cli\u003eRace fuel recommended (compression can be altered to operate with spec fuel)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDurable components and coatings that are designed to last\u003c\/li\u003e \u003cli\u003e4P Super Pro 163 CNC Cylinder Head with the latest in 4 valve cylinder head technology\u003c\/li\u003e \u003cli\u003ePremium PAC valvetrain designed for long life\u003c\/li\u003e \u003cli\u003e4P Oil Pump and baffled pan provide superior oiling at all rpm ranges under cornering, acceleration and heavy braking\u003c\/li\u003e \u003cli\u003e4P vented and Engraved Valve Cover Available\u003c\/li\u003e \u003cli\u003eCleanliness and attention to detail that everyone will be proud to own\u003c\/li\u003e \u003cli\u003eMeticulously Assembled - Supplied with full engine specifications and tolerances\u003c\/li\u003e \u003cli\u003eRecommend periodic maintenance procedures\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWhen you purchase a 4 Piston Racing complete engine, you aren't just buying any run-of-the-mill engine package. You are investing in a fully developed and tested engine program that is designed not only for maximum power output, but also for maximum durability. Our engines are meticulously assembled with a great deal of pride in a clean environment, using the only the finest calibrated tools and by engine builders who specialize in performance racing applications. \u003c\/p\u003e","brand":"4 Piston Racing","offers":[{"title":"Default Title","offer_id":62764449071434,"sku":"4PR-K24-400","price":15510.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/4-piston-racing-k24-k400-2-5l-complete-crate-engine-road-race-rally-blocks-929.webp?v=1784500099"},{"product_id":"darton-sleeves-mid-sleeves-honda-civic-type-r-fk2-fk8-fl5-k-series-k20c","title":"Darton Sleeves MID Sleeves Honda Civic Type R FK2 FK8 FL5 K-Series K20C","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"Default Title","offer_id":62764661735754,"sku":"DTN-400-195-D","price":849.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-civic-type-r-fk2-fk8-fl5-k-series-k20c-engine-blocks-305.webp?v=1784503052"},{"product_id":"genuine-honda-engine-block-k20c-civic-type-r-fk8-17-21","title":"Genuine Honda Engine Block K20C Civic Type R FK8 17-21","description":"\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThis K20C block is perfect for replacing your FK8 engine or doing an engine swap. It is perfecting for building a big power build and comes fully assembled from the factory. Part number: 10002-5BF-G01\u003c\/span\u003e\u003c\/p\u003e","brand":"Genuine Honda","offers":[{"title":"Default Title","offer_id":62764676186442,"sku":"10002-5BF-G01","price":4800.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/RacingHondas2024-Placeholder.jpg?v=1784503252"},{"product_id":"genuine-honda-cylinder-head-k20c-civic-type-r-fk8-17-21","title":"Genuine Honda Cylinder Head K20C Civic Type R FK8 17-21","description":"\u003cp class=\"whitespace-pre-wrap break-words\"\u003eThis OEM cylinder head is precision-engineered for the Honda K20C found in the FK8. R\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eecommended for: Factory replacement, performance rebuilds, and repair of damaged heads. Professional installation by a certified technician is strongly recommended. Part number: \u003cspan\u003e10003-RPY-G01\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Genuine Honda","offers":[{"title":"Default Title","offer_id":62764676219210,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/RacingHondas2024-Placeholder_1af4c46e-aa2d-4910-b808-329aa3c31a4c.jpg?v=1784503252"},{"product_id":"darton-sleeves-mid-sleeves-honda-nsx-na1-na2-c-series-c30-c32","title":"Darton Sleeves MID Sleeves Honda NSX NA1 NA2 C-Series C30 C32","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"Default Title","offer_id":62764946194762,"sku":"DTN-400-210","price":1910.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-nsx-na1-na2-c-series-c30-c32-engine-blocks-912.webp?v=1784508113"},{"product_id":"darton-sleeves-mid-sleeves-honda-h-series-h22a-h22a1-h22a4-h23","title":"Darton Sleeves MID Sleeves Honda H-Series H22A H22A1 H22A4 H23","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"Default Title","offer_id":62764967166282,"sku":"DTN-400-160-P","price":849.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-h-series-h22a-h22a1-h22a4-h23-engine-blocks-854.webp?v=1784508297"},{"product_id":"darton-sleeves-mid-sleeves-honda-s2000-f-series-f20c-f22c","title":"Darton Sleeves MID Sleeves Honda S2000 F-Series F20C F22C","description":"\u003cp\u003eMany production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of “cast in sleeves” provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID).\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCast iron performance in an aluminum block\u003c\/li\u003e \u003cli\u003eImproved block integral strength\u003c\/li\u003e \u003cli\u003eImproved cooling\u003c\/li\u003e \u003cli\u003eKits can be installed by your local machine shop\u003c\/li\u003e \u003cli\u003e“Wet sleeve” replaceability\u003c\/li\u003e \u003cli\u003eFull installation manual available on website\u003c\/li\u003e \u003cli\u003eIncreased horsepower output potential\u003c\/li\u003e \u003cli\u003eHigh boost and horsepower potential\u003c\/li\u003e \u003cli\u003eSuperior oil and compression control\u003c\/li\u003e \u003cli\u003eSuperior cylinder sealing and ring wear\u003c\/li\u003e \u003cli\u003eStreet or strip application\u003c\/li\u003e \u003cli\u003eBulletproof Darton ductile iron\u003c\/li\u003e \u003cli\u003e130,000psi tensile strength\u003c\/li\u003e \u003c\/ul\u003e","brand":"Darton Sleeves","offers":[{"title":"Default Title","offer_id":62765008060746,"sku":"DTN-400-220-P","price":849.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/darton-sleeves-mid-honda-s2000-f-series-f20c-f22c-engine-blocks-580.webp?v=1784508746"},{"product_id":"genuine-toyota-cylinder-head-gr-yaris-corolla-g16e-gts-post-2022","title":"Genuine Toyota Cylinder Head GR Yaris Corolla G16E-GTS (Post 2022)","description":"\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eCompatible with vehicles produced after May 2022. For cars produced before May 2022 then you will need \u003ca href=\"https:\/\/www.tegiwa.com\/products\/copy-of-genuine-toyota-engine-shortblock-gr-yaris-g16e-gts\"\u003e11101-19585\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"whitespace-pre-wrap break-words\"\u003eThis OEM cylinder head is precision-engineered for Toyota's acclaimed G16E-GTS turbocharged three-cylinder engine. The component features Toyota's advanced engineering, incorporating specialised port designs and reinforced casting to handle the high-performance demands of the GR series vehicles.\u003c\/p\u003e \u003cp class=\"whitespace-pre-wrap break-words\"\u003eThis cylinder head is a critical component for maintaining your GR series vehicle's performance and reliability. Each unit undergoes rigorous testing to ensure it meets Toyota's exacting specifications for thermal efficiency and structural integrity.\u003c\/p\u003e \u003cp class=\"whitespace-pre-wrap break-words\"\u003eRecommended for: Factory replacement, performance rebuilds, and repair of damaged heads in compatible GR series vehicles. Professional installation by a certified technician is strongly recommended.\u003c\/p\u003e \u003cp class=\"whitespace-pre-wrap break-words\"\u003eNote: When replacing, always inspect related components such as head gaskets, bolts, and timing components for wear or damage.\u003c\/p\u003e","brand":"Genuine Toyota","offers":[{"title":"Default Title","offer_id":62774252405066,"sku":"11101-19565","price":1265.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/genuine-toyota-cylinder-head-gr-yaris-corolla-g16e-gts-post-2022-engine-blocks-629.webp?v=1784589093"},{"product_id":"genuine-toyota-engine-shortblock-gr-yaris-g16e-gts","title":"Genuine Toyota Engine Shortblock GR Yaris G16E-GTS","description":"\u003cp\u003eGenuine Toyota Shortblock Engine. This OEM G16E-GTS shortblock is perfect for replacing your Yaris engine or doing an engine swap. It is perfecting for building a big power build and comes fully assembled from the factory. \u003cspan\u003ePart Number: 11400-18050.\u003c\/span\u003e In this block you will get:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan\u003e1X Short Block\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e1X Crankshaft\u003c\/span\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e1X Main \u0026amp; Rod Bearing Set\u003c\/span\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e2X Thrust Washers\u003c\/span\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e3X Pistons \u0026amp; Rings\u003c\/span\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e3X Con Rods\u003c\/span\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e3X Oil Squirters And Bolts\u003c\/span\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"Genuine Toyota","offers":[{"title":"Default Title","offer_id":62774261416266,"sku":"11400-18051","price":2449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/genuine-toyota-engine-shortblock-gr-yaris-g16e-gts-blocks-104.webp?v=1784589167"},{"product_id":"copy-of-genuine-toyota-engine-shortblock-gr-yaris-g16e-gts","title":"Genuine Toyota Cylinder Head GR Yaris G16E-GTS (Pre-2022)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCompatible with vehicles produced before May 2022. \u003cmeta charset=\"utf-8\"\u003eFor cars produced after May 2022 then you will need \u003ca href=\"https:\/\/www.tegiwa.com\/products\/genuine-toyota-cylinder-head-gr-yaris-corolla-g16e-gts-post-2022\"\u003e11101-19565\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eGenuine Toyota Cylinder Head. This OEM G16E-GTS head is perfect for replacing in your GR Yaris if it is damaged or you're doing an engine swap to another car. It is perfecting for building a big power build and comes fully assembled from the factory. \u003cspan\u003ePart Number: 11101-19585\u003c\/span\u003e\u003c\/p\u003e","brand":"Genuine Toyota","offers":[{"title":"Default Title","offer_id":62774300868938,"sku":"11101-19585","price":1448.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/6116\/1034\/files\/genuine-toyota-cylinder-head-gr-yaris-g16e-gts-pre-2022-engine-blocks-641.webp?v=1784589247"}],"url":"https:\/\/sansomsspecialistparts.co.uk\/collections\/engine-blocks.oembed","provider":"Sansoms Specialist Parts","version":"1.0","type":"link"}