Wiring & Protection

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Holley

Holley 558-500 Fuel Injection Wire Harness

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$1,452.45

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important...

Dominator-Efi-Gm-Drive-By-Wire-Harness---Early-Truck

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Holley

Holley 558-429 Dominator EFI GM Drive-By-Wire Harness - Early Truck

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$382.30

Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038. Specifications: Description_DEF Fuel Injection Harness Description_DES Dominator EFI GM Drive-By-Wire Harness -...

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Injector-Harness-Ford-W-Jetronic-Injectors

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Holley

Holley 558-213 Ford V8 Injector Harness

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$327.49 $312.26

Ford V8 Injector Harness for Jetronic "Bosch" style Fuel Injectors (Evenly Spaced) Specifications: Description_DEF Fuel Injection Harness Description_DES Ford V8 Injector Harness Description_INV INJECTOR...

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Holley

Holley 558-131 EFI GEN III HEMI VVT Harness

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$196.19

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs...

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Holley

Holley 570-101 2V/4V MOD Main Harness Connector Kit

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$209.12

Introducing EFI Engine Connector Kits - From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you...

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The-Harness-Is-Required-And-Sold-Separately-From-Pf4-Ls-Efi-Kit.

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Edelbrock

Edelbrock 35713 The harness is required and sold separately from PF4 LS EFI kit.

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$275.08 $197.18

The Edelbrock Ignition/IAC Harness #35713 is a supplemental kit designed specifically for those who have purchased or are planning to purchase a Pro-Flo 4...

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Edelbrock

Edelbrock 3586 EDL Pro-Flo EFI Fuel Pump Relay #3586

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$35.01

Edelbrock part #3586 Pro-Flo EFI Fuel Pump Relay. Edelbrock Pro-Flo fuel pump relays can help restore proper function to your Pro-Flo EFI system so...

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EarlyTpi-Tps-Sensor-To-MetripackLs-Harness-Adapter-Pigtail

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FAST

FAST 308030 Early/TPI TPS Sensor to Metripack/LS Harness Adapter Pigtail

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$31.71 $30.23

The throttle position sensor bolts to the throttle blade shaft and relays throttle opening/closing information to the system ECU. The TPS is constructed of...

Adjustable-Billet-Fuel-Pressure-Regulator

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FAST

FAST 307030 Adjustable Billet Fuel Pressure Regulator

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$258.38

The FAST Adjustable Fuel Pressure Regulator is a premium CNC billet regulator designed to exact specifications by our engineers. The unit features twin -6...

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Holley

Holley 558-439 Terminator (R) Throttle Body Harness

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$376.47

Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205 lb./hr. injector upgrade kit,...

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Ford-Coyote-(2011-2017)-Drive-By-Wire-Harness

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Holley

Holley 558-422 Ford Coyote (2011-2017) Drive-By-Wire Harness

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$415.77

Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines Specifications: Description_DEF Fuel Injection Harness Description_DES Ford Coyote (2011-2017) Drive-By-Wire Harness Description_EXT Injector Harness; Ford Coyote...

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Edelbrock

Edelbrock 35714 The harness is required and sold separately from PF4 LS EFI kit.

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$131.67

The Edelbrock Ignition/IAC Harness Kit #35714 is a supplemental harness designed specifically for those who have purchased or are planning to purchase a Pro-Flo...

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Mr. Gasket

Mr. Gasket 40H Electric Fuel Pump Relay

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$66.22

Includes 40 amp (ampere) relay, crimp terminals, and high quality wire. Does not include circuit breaker. Specifications: Description_DES Mr. Gasket Electric Fuel Pump Relay...

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Universal-Fuel-Pump-Relay-Kit-For-1791-And-1792-Pumps

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Edelbrock

Edelbrock 1795 EDL Electric Fuel Pump Relay Kit #1795

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$172.07 $124.33

Edelbrock part #1795 Universal Fuel Pump Relay Kit. Designed specifically for proper fuel pump wiring, this 30-amp is strongly recommended when installing Edelbrock electric...

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Adapter-Fuel-Injector-Uscar-To-Minitimer-Set-Of-8

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Edelbrock

Edelbrock 15904 Fuel Injector Adapter

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$214.67

The Edelbrock 15904 is a Fuel Injector Adapter to convert from Minitimer to USCAR Connector Specifications: Description_ABR Adaptor Description_DEF Fuel Injection Wiring Harness Adapter...

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Holley

Holley 558-505 Ford Modular 2 Valve EFI Harness Kit

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$2,191.92

This wiring harness interfaces a Holley EFI ECU to a 2V Modular Ford engine. It is meant to be used in conjunction with an...

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Holley

Holley 558-503 GM TPI and Stealth Ram EFI HARNESS KIT

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$1,288.07

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important...

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Injector-Wiring-Harness-V8-Bosch-Style-Injectors

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Holley

Holley 558-200 V8 over Manifold, Bosch Style Injector Harness

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$327.49 $276.41

V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI Specifications: Description_DEF Fuel Injection Harness Description_DES V8 over Manifold,...

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Holley

Holley 534-45 Throttle Body Wiring Harness

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$117.66

Computer Data Cable for All Digital Interactive Pro-Jection Systems Specifications: Description_DES Throttle Body Wiring Harness Description_DEF Fuel Injection Wiring Harness Adapter Description_EXT Throttle Body...

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Connector-Wiring-Harness--Drop-In-Fuel-Module-Assembly

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Holley

Holley 12-952WH Connector Wiring Harness -Drop-In Fuel Module Assembly

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$56.33

On many GM applications, the wiring harness that connects to the fuel module is generally not inspected when completing a repair of the fuel...

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Holley

Holley 12-753 30 Amp Fuel Pump Relay Kit

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$299.98 $253.10

This Holley kit is intended primarily for those applications running an electric pump. The long wire runs in these kinds of installations can sometimes...

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Holley

Holley 12-759 Late Model Dual Pump Module Relay Kit

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$258.47

The relay kit includes essential parts necessary to wire twin pump Mustang (12-153/12-175) or Challenger/Charger (12-154/12-176) modules to a vehicle. The installation starts with...