Performance EFI System Wiring Harnesses
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- Save 6%Holley® - 24x Terminator™ TBI Main Harness (558-128)$550.54$584.95Save $34.41 (6%)
- Save 8%Holley® - Auxiliary Harness (558-402)$171.55$186.95Save $15.40 (8%)
- Save 8%Holley® - Auxiliary Harness (558-403)$171.55$186.95Save $15.40 (8%)
- Save 8%Holley® - Auxiliary Harness (558-404)$219.27$238.95Save $19.68 (8%)
- Save 8%Holley® - Auxiliary Harness (558-401)$222.94$242.95Save $20.01 (8%)
- Save 10%Holley® - Avenger EFI Fuel Injection System (558-482)$217.95$242.95Save $25.00 (10%)
- Save 10%Holley® - Avenger EFI Fuel Injection System (558-129)$549.95$611.95Save $62.00 (10%)
- Save 10%Holley® - Avenger EFI Fuel Injection System (558-480)$217.95$242.95Save $25.00 (10%)
- Save 8%Holley® - Can Extension Harness (558-428)$51.62$56.25Save $4.63 (8%)
- Save 8%Holley® - Can Extension Harness (558-426)$77.35$84.29Save $6.94 (8%)
- Save 8%Holley® - Can Extension Harness (558-425)$64.41$70.19Save $5.78 (8%)
- Save 8%Holley® - Can Extension Harness (558-424)$57.99$63.19Save $5.20 (8%)
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- Save 8%Holley® - Dominator™ EFI Can Adapter/Power Harness (558-430)$41.06$44.74Save $3.68 (8%)
- Save 8%Holley® - Dominator™ EFI Drive-By-Wire Dual Throttle Body Harness (558-450)$367.01$399.95Save $32.94 (8%)
- Save 8%Holley® - Dominator™ EFI Ford 4R70W/4R75W Transmission Control Harness (558-470)$262.40$285.95Save $23.55 (8%)
- Save 8%Holley® - Dominator™ EFI Main Harness (558-117)$572.56$623.95Save $51.39 (8%)
- Save 8%Holley® - Dominator™ EFI Main Harness (558-118)$620.28$675.95Save $55.67 (8%)
- Save 8%Holley® - Drive-By-Wire Harness (558-422)$275.25$299.95Save $24.70 (8%)
- Save 8%Holley® - Drive-By-Wire Harness Kit (558-406)$238.54$259.95Save $21.41 (8%)
- Save 10%Holley® - Drive-By-Wire Harness Kit (558-429)$256.95$285.95Save $29.00 (10%)
- Save 8%Holley® - Dual Drive-By-Wire Harness (558-411)$367.01$399.95Save $32.94 (8%)
- Save 10%Holley® - ECU and Harness Kit (550-619)$3,148.95$3,499.95Save $351.00 (10%)
- Save 10%Holley® - ECU and Harness Kit (550-619N)$3,418.95$3,799.95Save $381.00 (10%)
- Save 10%Holley® - ECU and Harness Kit (550-617N)$3,193.95$3,549.95Save $356.00 (10%)
- Save 10%Holley® - ECU and Harness Kit (550-617)$2,968.95$3,299.95Save $331.00 (10%)
