Innovation
not Imitation

Holley HP and DOMINATOR Harnesses

28 products found. Showing 1 - 20
Holley 558-117 UNIVERSAL MPFI COIL ON PLUG MAIN HARNESS

Part #: 1490

$399.99
$359.99

Holley 558-443 SNIPER EFI CAN TO USB DONGLE ? COMMUNICATION CABLE

Part #: 1489

$79.99
$49.99

Holley 558-318 C-N-P IGNITION SUB HARNESS

Part #: 1482

$139.99
$124.99

Holley 558-493 SNIPER EFI TO HOLLEY EFI DUAL SYNC DISTRIBUTOR ADAPTER HARNESS

Part #: 1479

$29.99
$24.99

Holley 558-102 LS1 Main Harness

Part #: 943

$447.95
$402.95

Holley 558-103 LS2 Main Harness

Part #: 942

$447.95
$402.95

Holley 558-104 Univ. MPFI Harness

Part #: 940

$373.95
$336.95

Holley 558-105 Universal Unterminated Main Harness

Part #: 946

$372.95
$335.95

Holley 558-108 FORD 2V and 4V MOD Main Harness

Part #: 958

$508.95
$457.95

Holley 558-200 BOSCH-Style V8 injector harness

Part #: 929

$135.95
$121.95

Holley 558-201 LSx Inj. Harness (EV6)

Part #: 941

$113.95
$102.95

Holley 558-203 6-Cyl Universal Inj. Harness

Part #: 960

$138.95
$124.95

Holley 558-204 Univ. Unterminated Inj. Harness

Part #: 956

$141.95
$127.95

Holley 558-209 FORD V8 Injector Harness

Part #: 957

$151.95
$136.95

Holley 558-304 HEI Ignition Harness

Part #: 939

$34.80
$31.32

Holley 558-305 Ford TFI Adaptor Harness

Part #: 947

$81.71
$73.54

Holley 558-308 Main Power Harness

Part #: 928

$68.47
$61.62

Holley 558-313 FAST Dual-Sync Dist. Harness

Part #: 954

$23.98
$21.58

Holley 558-401 J2A Harness

Part #: 938

$161.95
$145.95

Holley 558-405 4L60/4L80e Trans Harness

Part #: 945

$196.95
$176.95

28 products found. Showing 1 - 20