Holley EFI

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Injector Harness, LSx with OE EV6 (USCAR) Style Injector Connectors

This harness come finished with plugs for EV6-style injectors and plugs directly into the fuel injec..

$172.00 $153.95

Injector Harness, MPFI Unterminated 16 injectors

Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch style). Harness must..

$278.00 $249.95

Injector Harness, MPFI Unterminated 24 injectors

Unterminated 24 injector MPFI harness Terminated at injector connectors (Bosch style). Harness must ..

$378.00 $339.95

Injector Harness, V8 Over-Manifold, Bosch Style

V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI..

$195.00 $174.95

J2A, J2B, J3, J4 Connector & Pin Kit

j2A, j2B, j3, j4 Connector & Pin Kit - Contains connectors & pins, but no wiring. Works with the Dom..

$200.00 $179.95

LS Coil Sub-Harnesses (Pair)

Need to replace the coil harnesses on your GM LS engine?  Or maybe you've secured a set of LS c..

$195.00 $174.95

Main Harness Input/Output Upgrade, Terminator

PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain..

$45.50 $40.95

Main Harness, 99-04 Ford Godzilla 7.3L

EFI Main harness for the Ford Godzilla 7.3L Engines. Note that two different ignition connector sty..

$499.95 $449.95

Main Harness, 99-04 Ford Modular

Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines. Note that two differen..

$707.00 $635.95

Main Harness, Gen III Hemi w/Early Crank/Cam Sensors

Check the alternate image above to see the difference between the early and late cam and crank senso..

$729.00 $655.95

Main Harness, Gen III Hemi w/Late Crank/Cam Sensors

Check the alternate image above to see the difference between the early and late cam and crank senso..

$729.00 $655.95

Main Harness, LS1 / LS6

This harness is designed for Chevy LS and late-model truck engines that have a 24-tooth crank sensor..

$627.00 $563.95

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