{"product_id":"toyota-supra-mk4-engine-harness","title":"Toyota Supra MK4 Engine Harness | Street-Spec","description":"\u003cp\u003e\u003cspan\u003eDesigned around the MKIV Supra platform, this 2JZ engine harness can be configured for your specific ECU, ignition setup, injector configuration, sensor package, and engine bay layout. The result is a complete engine wiring solution that simplifies installation, improves reliability, and supports future upgrades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach harness is professionally constructed in the USA using high-quality materials. Whether you are refreshing an original MKIV Supra, converting to a standalone ECU, or building a full performance package, this harness provides a clean and reliable foundation for your engine management system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSupports common performance upgrades including coil-on-plug, sensor expansion, boost control, flex fuel, and more\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClean, simplified routing for a tidy engine bay\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTefzel wire, high-temp abrasion resistant sheathing, genuine connectors, and component labels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom configured around your ECU, sensor package, and build goals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for street cars, track cars, circuit\/drag builds, and high horsepower setups\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSupported Platforms:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eJZA80 Supra 2JZ-GTE VVTi \u0026amp; Non-VVTi\u003c\/li\u003e\n\u003cli\u003eJZA80 Supra 2JZ-GE VVTi \u0026amp; Non-VVTi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSupported ECUs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMoTeC M130\/M150\u003c\/li\u003e\n\u003cli\u003eSyvecs S7+\u003c\/li\u003e\n\u003cli\u003eECU Master EMU Pro \u003c\/li\u003e\n\u003cli\u003eLink G5\/G4X\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eand More\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JMRacing","offers":[{"title":"Default Title","offer_id":53495746789676,"sku":null,"price":2150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/2003\/3836\/files\/WhatsApp_Image_2026-07-26_at_3.39.43_PM.jpg?v=1785914109","url":"https:\/\/jmracing.net\/products\/toyota-supra-mk4-engine-harness","provider":"JMRacing","version":"1.0","type":"link"}