SpeedFactory Valve Springs and Retainers Set of 16 Honda D-Series D16Z/Y

After a year of dyno and street testing in combination with our Street Savage Camshaft we are proud to release our Upgraded Valvetrain for the D16 SOHC VTEC engines!

Choose upgraded springs only or opt for the complete spring & titanium retainer valvetrain package.

SpeedFactory Racing D16Z/Y SOHC VTEC Valve Springs

SpeedFactory Racing high-quality valve springs are highly recommended for aftermarket performance camshafts and are designed to ensure a stable valvetrain and prevent valve float at high rpm & boost levels.

CAD designed & CNC wound from super clean chrome silicon vanadium nickel alloy, double shot peened and isotropic finished & oiled for a superior and durable spring under extreme conditions & millions of cycles tested.

Note: These Springs are compatible with OEM steel Retainers or SpeedFactory Racing Titanium Retainers (#SF-02-422).Use OEM spring seat locators.

Features:
-Super Clean Chrome Silicon Vanadium Nickel Alloy
-Double Shot Peened
-Isotropic Finished & Oiled
-16pc set

Specifications:
Seat Pressure: 60lbs @ 1.948”
Open Pressure: 166lbs @ 1.456”
Coil Bind: 1.362”
Max Net Lift: 0.547”

SpeedFactory Racing D16Z/Y SOHC VTEC Titanium Retainers

SpeedFactory Racing Titanium Retainers are precision CNC machined from 6Al-4V titanium for strength, durability, and low weight. Coming in at 24% lighter than the OEM steel retainers, the result is improved high rpm valvetrain control and power.

Features:
-16pc set

Specifications:
Material: Ti 6Al-4V
Weight: 4.6 grams each

Fitments:
SOHC VTEC D16Z, D16Y, D17, JDM D15B