Holley- HP EFI ECU & Harness kit for a Ford V8 Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are... MSRP: Was: Now: $2,400.95 Add to Cart
Holley- HP EFI ECU & Harness kit for a Ford V8 w/NTK o2 Sensor Holley HP EFI ECU and harness kits allow you to manage automotive functions—like the fuel and ignition of your engine, along with controlling nitrous, boost, or water/methanol. Select the model... MSRP: Was: Now: $2,619.95 Add to Cart
Holley- HP EFI ECU & Harness - Universal Multi Point System Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness... MSRP: Was: Now: $2,459.95 Add to Cart
Holley- HP EFI ECU & Harness w/ Terminated Harness Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness... MSRP: Was: Now: $2,459.95 Add to Cart
Holley - Bosch Wideband Sensor Replacement Wideband Oxygen Sensor for Holley EFI System Bosch Sensor MSRP: Was: Now: $279.95 Add to Cart
Holley - NTK Wideband Sensor NTK Wideband Sensor for Holley EFI This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles. The following vehicles are considered... MSRP: Was: Now: $329.95 Add to Cart
Holley- 1 Bar MAP Sensor For use with Naturally Aspirated Engines 1 Bar Map Sensor MSRP: Was: Now: $109.95 Add to Cart
Holley- 100 PSI Stainless Pressure Sensor 100 PSI Stainless Pressure Sensor Works with Holley EFI Standlone Systems MSRP: Was: Now: $169.95 Add to Cart
Holley- 11-14 Mustang GT Race Series Intake Manifold (Black) Holley Sniper EFI Fabricated Manifolds continues to push the aftermarket by introducing our latest Race Series line of intakes for GM LS 1/2/6 and Ford Coyote 5.0L engine platforms. Feedback from... MSRP: Was: Now: $1,219.95 Add to Cart
Holley- 2 Bar Map Sensor 2 Bar MAP sensor is to be used in all forced induction applications up to 14.7 PSI Boost GM Style Sensor MSRP: Was: Now: $119.95 Add to Cart
Holley- 200 PSI Stainless Pressure Sensor 200 PSI Stainless Pressure Sensor Holley Stainless Steel Sensor MSRP: Was: Now: $169.95 Add to Cart
Holley- 3 Bar MAP 3 Bar GM Style Map Sensor Good for up to 29.4psi MSRP: Was: Now: $129.95 Add to Cart
Holley- 5 Bar Map Sensor 5 Bar Stainless Steel MAP sensor 1/8 NPT Thread MSRP: Was: Now: $149.95 Add to Cart
Holley- Coolant Temperature Sensor Coolant Temperature Sensor for Holley EFI and commander 950 systems 3/8 NPT MSRP: Was: Now: $44.95 Add to Cart
Holley- Dominator EFI Auxiliary Input Harness For Dominator EFI System Dominator EFI Connector J2A Auxiliary Harness MSRP: Was: Now: $199.95 Add to Cart
Holley- Dominator EFI Auxiliary Output Harness For Holley Dominator EFI Auxillary Output Harness Dominator EFI Connector J2B Auxiliary Harness MSRP: Was: Now: $139.95 Add to Cart
Holley- EFI 2v Modular Coil Harness Holley EFI Coil Harness for a Modular 4.6 / 5.4 2 valve engine Works with both HP and Dominator System MSRP: Was: Now: $184.95 Add to Cart
Holley- EFI 4v Modular Coil Harness Holley EFI Coil Harness for a Modular 4.6 / 5.4 4 valve engine Works with both HP and Dominator System MSRP: Was: Now: $184.95 Add to Cart
Holley- EFI Dominator ECU Works with 4, 6, 8 and 10 cylinder engines Ignition Plug and Play with GM LS engines (non-VVT), GM HEI, Ford TFI, and magnetic and hall effect trigger. Custom settings can be configured to allow... MSRP: Was: Now: $2,675.95 Add to Cart
Holley- EFI Modular Injector Harness ( Jetronic / EV1 ) Injector harness for Holley EFI standalones. Injectors evenly spaced and setup for any modular engine. Works with EV1 style injectors (typically found in 1987-2004 Mustangs). MSRP: Was: Now: $149.95 Add to Cart
Holley- EFI Modular Injector Harness ( USCAR / EV6 ) Injector harness for Holley EFI standalones. Injectors evenly spaced and setup for any modular engine. Works with EV6 style injectors (typically found in 2005+ Mustangs). MSRP: Was: Now: $149.95 Add to Cart
Holley- EFI Modular Main Harness Main harness for Holley EFI standalone. Setup to use sensors on a modular engine. Works with both Holley HP and Dominator. MSRP: Was: Now: $619.95 Add to Cart
Holley- EFI TFI Ignition Harness Need to adapter your holley EFI system to a TFI Ignition? This is the harness you need! Works great with 1987-1995 Mustangs! MSRP: Was: Now: $99.95 Add to Cart