Rywire GM LS3 V8 E38 ECU Engine Harness w/Bosch MAP Option

Our fitment guarantee

Every part sold with your year, make, and model set on our store, or by a member of our sales team, is guaranteed to fit your application. Wheels and lug nuts are covered for the specification we state.

• Wrong application

  If our fitment data or our team got it wrong, contact us and we’ll exchange it for the correct part or refund you, with a prepaid shipping label. No restocking fee and no shipping charges.

• Damaged on arrival

  Covered on every order, vehicle set or not. Inspect your parts when they arrive and tell us within 48 hours: we arrange the exchange with the manufacturer and get a new part to you.

You’ll receive the parts you expect in brand new condition, or your money back.