{"title":"Fuel Injection Harness","description":null,"products":[{"product_id":"main-wiring-harness-ls1-ls6","title":"Main Wiring Harness LS1 \u0026 LS6","description":"\u003ch2\u003eHolley EFI Main Wiring Harness LS1 \u0026amp; LS6\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Main Wiring Harness LS1 \u0026amp; LS6 (558-102) features EFI Wiring Harness, Main Harness, Holley HP \/ Dominator EFI, 24x Reluctor Wheel, LS1 \/ LS6. 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Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-200\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Fuel Injector Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 6.50000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 5.80000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.20000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.65000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Injector Wiring Harness V8 Bosch Style Injectors (558-200)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244871553314,"sku":"GVMR_558-200","price":212.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-200.jpg?v=1755542840"},{"product_id":"can-extension-harness-8ft-length","title":"CAN Extension Harness 8ft Length","description":"\u003ch2\u003eHolley EFI CAN Extension Harness 8ft Length\u003c\/h2\u003e\u003cp\u003eThe Holley EFI CAN Extension Harness 8ft Length (558-425) features CAN Wiring Harness, Extension Harness, 8 ft Long, Black Rubber Coated. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-425\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 4.90000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 4.40000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 3.30000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.25000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI CAN Extension Harness 8ft Length (558-425)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244871618850,"sku":"GVMR_558-425","price":70.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-425.jpg?v=1755542848"},{"product_id":"drive-by-wire-harness-gm","title":"Drive By Wire Harness GM","description":"\u003ch2\u003eHolley EFI Drive By Wire Harness GM\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Drive By Wire Harness GM (558-406) features EFI Wiring Harness, Drive by Wire, Holley Dominator EFI. Built for GM.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eGM\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-406\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 10.60000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 10.50000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.30000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 1.14000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Drive By Wire Harness GM (558-406)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244873158946,"sku":"GVMR_558-406","price":259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-406.jpg?v=1755542870"},{"product_id":"trans-wire-harness-gm-4l60-pre-2009-4l80","title":"Trans Wire Harness GM 4L60 Pre 2009 - 4L80","description":"\u003ch2\u003eHolley EFI Trans Wire Harness GM 4L60 Pre 2009 - 4L80\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Trans Wire Harness GM 4L60 Pre 2009 - 4L80 (558-405) features EFI Wiring Harness, Transmission, Holley Dominator EFI. Built for GM 4L60E \/ 4L80E.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eGM 4L60E \/ 4L80E\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-405\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 12.55000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 9.40000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 3.80000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 1.75000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Trans Wire Harness GM 4L60 Pre 2009 - 4L80 (558-405)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244873421090,"sku":"GVMR_558-405","price":318.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-405.jpg?v=1755542877"},{"product_id":"injector-wiring-harness-v8-ev6-style-injectors","title":"Injector Wiring Harness V8 EV6 Style Injectors","description":"\u003ch2\u003eHolley EFI Injector Wiring Harness V8 EV6 Style Injectors\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Injector Wiring Harness V8 EV6 Style Injectors (558-201) features EFI Wiring Harness, EV6 Style Injectors, Holley Dominator EFI. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-201\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Fuel Injector Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 6.55000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 5.85000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.25000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.61000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Injector Wiring Harness V8 EV6 Style Injectors (558-201)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244880302370,"sku":"GVMR_558-201","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-201.jpg?v=1755543032"},{"product_id":"main-wiring-harness-ls2-ls3","title":"Main Wiring Harness LS2 \u0026 LS3","description":"\u003ch2\u003eHolley EFI Main Wiring Harness LS2 \u0026amp; LS3\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Main Wiring Harness LS2 \u0026amp; LS3 (558-103) features EFI Wiring Harness, Main Harness, Holley HP \/ Dominator EFI, 58x Reluctor Wheel, LS2 \/ LS3 \/ LS7. Built for GM LS-Series.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eGM LS-Series\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-103\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 15.00000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 14.30000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.30000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 5.27000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Main Wiring Harness LS2 \u0026amp; LS3 (558-103)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244884103458,"sku":"GVMR_558-103","price":675.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-103.jpg?v=1755543194"},{"product_id":"main-harness-univesal-un-terminated","title":"Main Harness - Univesal Un-Terminated","description":"\u003ch2\u003eHolley EFI Main Harness - Univesal Un-Terminated\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Main Harness - Univesal Un-Terminated (558-105) features EFI Wiring Harness, Unterminated Main Harness, Holley HP \/ Dominator EFI. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-105\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 15.00000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 14.30000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.40000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 6.55000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Main Harness - Univesal Un-Terminated (558-105)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244884594978,"sku":"GVMR_558-105","price":571.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-105.jpg?v=1755543222"},{"product_id":"efi-injector-harness-universal-unterminated","title":"EFI Injector Harness - Universal Unterminated","description":"\u003ch2\u003eHolley EFI EFI Injector Harness - Universal Unterminated\u003c\/h2\u003e\u003cp\u003eThe Holley EFI EFI Injector Harness - Universal Unterminated (558-204) features Fuel Injector Harness, Unterminated, Bosch Terminal Ends Included, Holley HP \/ Dominator EFI. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-204\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 10.80000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 10.70000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.30000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.93500 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI EFI Injector Harness - Universal Unterminated (558-204)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244886757666,"sku":"GVMR_558-204","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-204.jpg?v=1755543327"},{"product_id":"main-harness-universal-mpfi","title":"Main Harness - Universal MPFI","description":"\u003ch2\u003eHolley EFI Main Harness - Universal MPFI\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Main Harness - Universal MPFI (558-104) features EFI Wiring Harness, MPFI Main Harness, Holley HP \/ Dominator EFI, Universal. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-104\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 15.15000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 14.55000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.50000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 4.20000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Main Harness - Universal MPFI (558-104)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244889215266,"sku":"GVMR_558-104","price":571.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-104.jpg?v=1755543408"},{"product_id":"can-adapter-harness-4ft-male-to-female","title":"CAN Adapter Harness 4ft Male to Female","description":"\u003ch2\u003eHolley EFI CAN Adapter Harness 4ft Male to Female\u003c\/h2\u003e\u003cp\u003eThe Holley EFI CAN Adapter Harness 4ft Male to Female (558-452) features CAN Wiring Harness, Male To Female Adapter, 4 ft Long, Black Rubber Coated. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-452\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Data Cables\u003c\/li\u003e\n\u003cli\u003eLength: 10.85000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 8.55000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.40000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.42000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI CAN Adapter Harness 4ft Male to Female (558-452)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244904550690,"sku":"GVMR_558-452","price":56.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-452.jpg?v=1755543626"},{"product_id":"can-extension-harness-12ft","title":"Can Extension Harness 12ft","description":"\u003ch2\u003eHolley EFI Can Extension Harness 12ft\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Can Extension Harness 12ft (558-426) features CAN Wiring Harness, Extension Harness, 12 ft Long, Black Rubber Coated. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-426\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 4.80000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 4.40000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 3.30000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.30000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Can Extension Harness 12ft (558-426)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244905140514,"sku":"GVMR_558-426","price":84.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-426.jpg?v=1755543641"},{"product_id":"dominator-efi-dbw-harness-early-truck","title":"Dominator EFI DBW Harness - Early Truck","description":"\u003ch2\u003eHolley EFI Dominator EFI DBW Harness - Early Truck\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Dominator EFI DBW Harness - Early Truck (558-429) features EFI Wiring Harness, Drive by Wire, Holley Dominator EFI. Built for GM.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eGM\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-429\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 6.70000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 5.90000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.20000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.95000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Dominator EFI DBW Harness - Early Truck (558-429)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244905664802,"sku":"GVMR_558-429","price":285.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-429.jpg?v=1755543656"},{"product_id":"can-extension-harness-9in-length","title":"CAN Extension Harness 9in Length","description":"\u003ch2\u003eHolley EFI CAN Extension Harness 9in Length\u003c\/h2\u003e\u003cp\u003eThe Holley EFI CAN Extension Harness 9in Length (558-428) features CAN Wiring Harness, Extension Harness, 9 in Long, Black Rubber Coated. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-428\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 4.90000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 4.30000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 3.20000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.10000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI CAN Extension Harness 9in Length (558-428)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244912185634,"sku":"GVMR_558-428","price":56.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-428.jpg?v=1755543732"},{"product_id":"can-adapter-new-device-to-2-pin-main-harness","title":"Can Adapter- New Device to 2-Pin Main Harness","description":"\u003ch2\u003eHolley EFI Can Adapter- New Device to 2-Pin Main Harness\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Can Adapter- New Device to 2-Pin Main Harness (558-430) features Data Transfer Cable Adapter, 2 Pin Harness to CAN. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-430\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 4.85000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 4.40000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.45000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.22000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Can Adapter- New Device to 2-Pin Main Harness (558-430)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244915036450,"sku":"GVMR_558-430","price":44.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-430.jpg?v=1755543762"},{"product_id":"injector-harness-ford-uscar-ev6-style-injector","title":"Injector Harness - Ford USCAR\/EV6 Style Injector","description":"\u003ch2\u003eHolley EFI Injector Harness - Ford USCAR\/EV6 Style Injector\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Injector Harness - Ford USCAR\/EV6 Style Injector (558-212) features EFI Wiring Harness, EV6 \/ USCAR Style Injectors, Holley EFI. Built for Small Block Ford.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eSmall Block Ford\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-212\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Engine Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 10.70000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 10.40000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.20000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.75000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Injector Harness - Ford USCAR\/EV6 Style Injector (558-212)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244916674850,"sku":"GVMR_558-212","price":207.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-212.jpg?v=1755543815"},{"product_id":"injector-harness-16-injectors-unterminated","title":"Injector Harness - 16 Injectors - Unterminated","description":"\u003ch2\u003eHolley EFI Injector Harness - 16 Injectors - Unterminated\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Injector Harness - 16 Injectors - Unterminated (558-207) features EFI Wiring Harness, Bosch EV1 Style Injectors, Holley HP \/ Dominator EFI. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-207\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Fuel Injector Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 10.00000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 10.00000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.00000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 1.52000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Injector Harness - 16 Injectors - Unterminated (558-207)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244917559586,"sku":"GVMR_558-207","price":174.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-207.jpg?v=1755543870"},{"product_id":"wire-harness-ls2-ls3-ls7-fuel-injectors","title":"Wire Harness - LS2\/LS3\/ LS7 Fuel Injectors","description":"\u003ch2\u003eHolley EFI Wire Harness - LS2\/LS3\/ LS7 Fuel Injectors\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Wire Harness - LS2\/LS3\/ LS7 Fuel Injectors (558-501) features EFI Wiring Harness, EV6 Style Injectors, Holley 58X Crank Sensor EFI. Check the manufacturer's application guide for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-501\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Fuel Injector Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 15.00000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 14.50000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 4.40000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 6.80000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Wire Harness - LS2\/LS3\/ LS7 Fuel Injectors (558-501)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244997873954,"sku":"GVMR_558-501","price":949.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-501.jpg?v=1755544288"},{"product_id":"injector-harness-ford-w-jetronic-injectors","title":"Injector Harness Ford w\/ Jetronic Injectors","description":"\u003ch2\u003eHolley EFI Injector Harness Ford w\/ Jetronic Injectors\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Injector Harness Ford w\/ Jetronic Injectors (558-213) features EFI Wiring Harness, EV1 Style Injectors. Built for Ford V8.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFord V8\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-213\u003c\/li\u003e\n\u003cli\u003eBrand: Holley EFI\u003c\/li\u003e\n\u003cli\u003eCategory: Fuel Injector Harnesses\u003c\/li\u003e\n\u003cli\u003eLength: 10.75000 in\u003c\/li\u003e\n\u003cli\u003eWidth: 10.45000 in\u003c\/li\u003e\n\u003cli\u003eHeight: 2.30000 in\u003c\/li\u003e\n\u003cli\u003eWeight: 0.75000 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHolley EFI Injector Harness Ford w\/ Jetronic Injectors (558-213)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":50244998267170,"sku":"GVMR_558-213","price":212.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/HLY558-213.jpg?v=1755544310"},{"product_id":"tpi-stealth-ram-main-harness-1","title":"TPI Stealth Ram Main Harness","description":"\u003ch2\u003eHOLLEY TPI Stealth Ram Main Harness - 558-101\u003c\/h2\u003e\u003cp\u003eThe HOLLEY TPI Stealth Ram Main Harness (558-101) delivers proven performance for your build. EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI \/ HP EFI \/ Dominator EFI - Various GM Applications - Each.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eEFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI \/ HP EFI \/ Dominator EFI - Various GM Applications - Each.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-101\u003c\/li\u003e\n\u003cli\u003eBrand: HOLLEY\u003c\/li\u003e\n\u003cli\u003eCategory: Ignitions and Electrical\u003c\/li\u003e\n\u003cli\u003eType: Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eSub-Type: Engine Wiring Harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTPI Stealth Ram Main Harness (558-101)\u003c\/li\u003e\n\u003cli\u003eRefer to the manufacturer's official product page for complete package contents.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eFollow all manufacturer instructions included with the product.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52480473366818,"sku":"GVMR_558-101","price":675.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/558-101_01.jpg?v=1788580690"},{"product_id":"ford-2v-and-4v-modular-main-harness","title":"Main Harness 99-04 Ford Modular Engine","description":"\u003ch2\u003eHOLLEY Main Harness 99-04 Ford Modular Engine - 558-108\u003c\/h2\u003e\u003cp\u003eThe HOLLEY Main Harness 99-04 Ford Modular Engine (558-108) delivers proven performance for your build. EFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eEFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-108\u003c\/li\u003e\n\u003cli\u003eBrand: HOLLEY\u003c\/li\u003e\n\u003cli\u003eCategory: Ignitions and Electrical\u003c\/li\u003e\n\u003cli\u003eType: Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eSub-Type: Engine Wiring Harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMain Harness 99-04 Ford Modular Engine (558-108)\u003c\/li\u003e\n\u003cli\u003eRefer to the manufacturer's official product page for complete package contents.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eFollow all manufacturer instructions included with the product.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52480473530658,"sku":"GVMR_558-108","price":849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/558-108_01.png?v=1788580710"},{"product_id":"gen-iii-hemi-v8-injector-harness-stock-uscar-style-injectors","title":"Injector Harness  V8 Evenly Spaced USCAR","description":"\u003ch2\u003eHOLLEY Injector Harness  V8 Evenly Spaced USCAR - 558-210\u003c\/h2\u003e\u003cp\u003eThe HOLLEY Injector Harness  V8 Evenly Spaced USCAR (558-210) delivers proven performance for your build. Fuel Injector Harness - Adapter - USCAR EV6 \/ Stock to Bosch Jetronic \/ Minitimer - Each.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck manufacturer application guide for your specific vehicle.\u003c\/li\u003e\n\u003cli\u003eVerify fitment for your specific year, make, and model before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-210\u003c\/li\u003e\n\u003cli\u003eBrand: HOLLEY\u003c\/li\u003e\n\u003cli\u003eCategory: Ignitions and Electrical\u003c\/li\u003e\n\u003cli\u003eType: Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eSub-Type: Fuel Injector Harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInjector Harness  V8 Evenly Spaced USCAR (558-210)\u003c\/li\u003e\n\u003cli\u003eRefer to the manufacturer's official product page for complete package contents.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eFollow all manufacturer instructions included with the product.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52480473596194,"sku":"GVMR_558-210","price":207.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/558-210.jpg?v=1788580716"},{"product_id":"gen-iii-hemi-main-harness-late-w-tps-and-idle-air-control-connections","title":"Main Wire Harness  Hemi Late  W\/ TPS \u0026 IAC","description":"\u003ch2\u003eHOLLEY Main Wire Harness  Hemi Late  W\/ TPS \u0026amp; IAC - 558-116\u003c\/h2\u003e\u003cp\u003eThe HOLLEY Main Wire Harness  Hemi Late  W\/ TPS \u0026amp; IAC (558-116) delivers proven performance for your build. Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - Kit.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck manufacturer application guide for your specific vehicle.\u003c\/li\u003e\n\u003cli\u003eVerify fitment for your specific year, make, and model before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSystem Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMPN: 558-116\u003c\/li\u003e\n\u003cli\u003eBrand: HOLLEY\u003c\/li\u003e\n\u003cli\u003eCategory: Ignitions and Electrical\u003c\/li\u003e\n\u003cli\u003eType: Wiring Harnesses\u003c\/li\u003e\n\u003cli\u003eSub-Type: Engine Wiring Harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMain Wire Harness  Hemi Late  W\/ TPS \u0026amp; IAC (558-116)\u003c\/li\u003e\n\u003cli\u003eRefer to the manufacturer's official product page for complete package contents.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eFollow all manufacturer instructions included with the product.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52480473661730,"sku":"GVMR_558-116","price":849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/558-116_01_P04_KIT.jpg?v=1788580725"}],"url":"https:\/\/turbochargedracing.com\/collections\/fuel-injection-harness.oembed","provider":"Turbochargedracing","version":"1.0","type":"link"}