Holley EFI

Injector Harness, MPFI Unterminated 16 injectors

-11%

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Injector Harness, MPFI Unterminated 16 injectors

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

$337.95 $299.95

-11%

Injector Harness, Universal 6 Cylinder

$239.95 $212.95

-33%

Injector Harness, Universal Unterminated

$233.95 $155.95

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Injector Harness, V8 Over-Manifold, Bosch Style

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

$224.95 $199.95

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J2A, J2B, J3, J4 Connector & Pin Kit

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

$247.95 $219.95

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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..

$224.95 $199.95

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Main Harness Input/Output Upgrade, Terminator

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

$59.95 $52.69

New -11%

Main Harness, 99-04 Ford Godzilla 7.3L

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

$562.95 $499.95

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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..

$899.95 $799.95

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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..

$956.95 $849.95

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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..

$899.95 $799.95

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Main Harness, LS1 / LS6

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

$712.95 $632.95

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Main Harness, LS2 / LS3 / LS7

This harness is designed for Chevy LS and late-model truck engines that have a 58-tooth crank sensor..

$712.95 $632.95

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Main Harness, Multi-point / Stealth Ram

If you need to replace one of the Holley Stealth Ram system harnesses, or if you are building a stea..

$712.95 $632.95

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Main Harness, Terminator

Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406...

$562.95 $499.95

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Showing 61 to 75 of 236 (16 Pages)

1 & 2 Barrel

4 Barrel

4 Barrel STEALTH

Accessories

Stealth 4150

Stealth 4500

Accessories

GM LS / Gen V LT

Ford

Dodge Hemi Gen 3

Other

Holley EFI

Injector Harness, MPFI Unterminated 16 injectors

Injector Harness, Universal 6 Cylinder

Injector Harness, Universal Unterminated

Injector Harness, V8 Over-Manifold, Bosch Style

J2A, J2B, J3, J4 Connector & Pin Kit

LS Coil Sub-Harnesses (Pair)

Main Harness Input/Output Upgrade, Terminator

Main Harness, 99-04 Ford Godzilla 7.3L

Main Harness, 99-04 Ford Modular

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

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

Main Harness, LS1 / LS6

Main Harness, LS2 / LS3 / LS7

Main Harness, Multi-point / Stealth Ram

Main Harness, Terminator