Engine Wiring Harnesses
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Holley 7-Pin Main Harness - Sniper Tbi 558-490
HOLLEY
MSRP: $185.98$161.72EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - KitMSRP: $185.98$161.72 -
Holley Sniper-2 Tp Sniper-1 Adapter Wire Harness 558-489
HOLLEY
MSRP: $72.45$63.00Wiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - EachMSRP: $72.45$63.00 -
Holley Wire Harness Ls To Ss Map Adapter 558-467
HOLLEY
MSRP: $41.74$36.30Wiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - EachMSRP: $41.74$36.30 -
Holley Wire Harness Mpfi To Ss Map Adapter 558-466
HOLLEY
MSRP: $61.13$53.16Wiring Harness Adapter - MPDI Map Sensor to Delphi GT Sensor - EachMSRP: $61.13$53.16 -
Holley Adapter Harness Wideband Terminator-X 558-463
HOLLEY
MSRP: $82.59$71.81Wiring Harness Adapter - Terminator X - Wideband - EachMSRP: $82.59$71.81 -
Holley Crank/Cam Ignition Harness 558-431
HOLLEY
MSRP: $118.42$102.98EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - KitMSRP: $118.42$102.98 -
Holley Can Adapter- New Device To 2-Pin Main Harness 558-430
HOLLEY
MSRP: $57.69$50.16Data Transfer Cable Adapter - 2 Pin Harness to CAN - EachMSRP: $57.69$50.16 -
Holley Dominator Efi Dbw Harness - Early Truck 558-429
HOLLEY
MSRP: $291.37$253.37EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - EachMSRP: $291.37$253.37 -
Holley Can Extension Harness 9In Length 558-428
HOLLEY
MSRP: $68.88$59.90CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - EachMSRP: $68.88$59.90 -
Holley Can Extension Harness 12Ft 558-426
HOLLEY
MSRP: $96.45$83.87CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - EachMSRP: $96.45$83.87 -
Holley Can Extension Harness 8Ft Length 558-425
HOLLEY
MSRP: $82.67$71.89CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - EachMSRP: $82.67$71.89 -
Holley Map Sensor Adapter Ls1 & Ls2 To Ls3 558-416
HOLLEY
MSRP: $55.85$48.57Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - EachMSRP: $55.85$48.57