HKS Speed Limit Defencer Type 2 Toyota Supra MK4

£138.00

SKU 4502-RA003 Categories , , Brand:
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Eliminates Speed Limiter to drive over 180km/h

View Frequently Asked Questions Here

Most of JDM vehicles are equipped with speed limiter function. With this function, the vehicle’s speed cannot exceed 180km/h. On the other hand, the performance of JDM vehicles is improved; even non-sports models are capable of driving over 180km/h.
HKS SLD can eliminate the factory speed limiter to drive over 180km/h and bring out full performance of the vehicle.

For CAN Communication System

Lately, some vehicles are equipped with “”CAN Communication System”” (*1) to control the vehicle’s speed. This CAN communication system complicates elimination of the speed limiter. However, HKS SLD type III utilizes a new method to control the speed data in CAN communication system and eliminate the speed limiter.

No ECU Data Modification

HKS SLD type III does not rewrite the factory ECU data; the speed limiter can be eliminated without modification of the ECU data.

Features

HKS found the way to pick up the speed signal from other signals transmitted by CAN communication system to eliminate the speed limiter.

The original control method of CAN communication system enables the vehicle’s digital speed meter to indicate the speed over 180km/h.

The speed limiter can be eliminated even after rewriting the ECU program to connect the unit to the ECU harness.

*1 CAN (Controller Area Network) communication is a high speed, highly reliable, and internationally – standardized network system within a vehicle. It controls the engine, drive-train and meters, etc. Also in addition to the speed data, it controls electric devices. CAN requires only 2 lines to control data. CAN is very popular in Europe and is becoming more popular globally.

Returns Policy

We want you to shop with confidence at Sansoms Specialist Parts. If you are not completely satisfied with your purchase, you may return eligible items in accordance with the policy below.

  • Returns must be requested within 14 days of delivery

  • Items must be unused, uninstalled, and in original packaging

  • Products must be returned in a resaleable condition

  • Proof of purchase is required

Custom-made, special-order, or clearance items may be non-returnable unless faulty.


 

How to Request a Return

Please contact our support team before returning any item. Returns sent without prior authorisation may be refused.

Email: support@sansomsspecialistparts.co.uk
Include your order number and reason for return.


 

Refunds

Once your return has been received and inspected, we will notify you of the outcome. Approved refunds will be processed to the original payment method within 5–10 working days.

Original shipping costs are non-refundable unless the item is faulty or incorrect.


 

Warranty Information

All products sold by Sansoms Specialist Parts are covered by a manufacturer’s warranty, where applicable.

Warranty coverage typically includes:

  • Manufacturing defects

  • Faults occurring under normal use

Warranty does not cover:

  • Incorrect installation

  • Wear and tear

  • Damage caused by misuse or modification

  • Track or competition use unless stated otherwise


 

Warranty Claims

To make a warranty claim, please contact us with:

  • Order number

  • Description of the issue

  • Supporting photos or videos

Claims are subject to inspection and manufacturer approval.


 

Important Notes

  • Professional installation is strongly recommended

  • Warranty may be void if parts are incorrectly fitted

  • Vehicle compatibility is the customer’s responsibility


 

Need Help?

If you have any questions regarding returns or warranty, our team is happy to assist.

Delivery Options

We aim to get your performance parts to you as quickly and safely as possible.

  • Standard UK Delivery: 3–5 working days

  • Express UK Delivery: 1–2 working days (subject to availability)

  • International Delivery: 5–10 working days (depending on location)

All orders are carefully packaged to ensure your parts arrive in perfect condition.


 

Shipping Costs

  • Standard delivery is charged at checkout based on weight and destination

  • Free UK delivery on orders over £100

We offer tracked shipping so you can monitor your order every step of the way.


 

Stock Availability

  • Most parts are held in stock for immediate dispatch

  • Some specialist or custom parts may have longer lead times

  • Stock levels are updated regularly, but occasionally items may be temporarily unavailable

If a product is out of stock, we will notify you immediately and offer alternatives or an estimated delivery date.


 

Order Processing

  • Orders are typically processed within 1–2 working days

  • You will receive a confirmation email once your order has been dispatched

  • Large or heavy items may require additional handling time


 

Important Notes

  • Performance parts may require professional installation

  • Delivery times are estimates and may vary during peak periods

  • International shipments may be subject to customs or import fees

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