Holley Performance

The six-position Edge Revolver for the Ford 7.3L Power Stroke diesel can now be controlled by the Insight CTS3! Change the power levels of your chip using the touchscreen on the Insight CTS3. The new kits will include the Revolver chip, Insight CT...

The six-position Edge Revolver for the Ford 7.3L Power Stroke diesel can now be controlled by the Insight CTS3! Change the power levels of your chip using the touchscreen on the Insight CTS3. The new kits will include the Revolver chip, Insight CT...

The Comp Box has dominated the VP44 24V Cummins market for two decades and is what put Edge Products on the map in the early diesel performance era. With so many VP44 trucks still on the road, we've completely revamped our Comp to offer those same...

The Comp Box has dominated the VP44 24V Cummins market for two decades and is what put Edge Products on the map in the early diesel performance era. With so many VP44 trucks still on the road, we've completely revamped our Comp to offer those same...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and in...

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full pot...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and in...

Gen III HEMI Harness with TPS and Idle Air Control Connections.This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant to be used in conjunction with an injector harnes...

Holley's BILLET LS Throttle Bodies are the MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! The 112-589 throttle body features a 90 millimeter bore and a low RPM drive friend...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a huge 105 millimeter bore for when WOT ...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a huge 105 millimeter bore for when WOT ...

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors....

Holley is now offering budget friendly fabricated intake manifolds for LS, Small Block Chevy and Small Block Ford engines in carbureted and EFI versions!Features: 3mm (1/8") thick T6061 Sheet Aluminum construction, more durable than competitive in...

Holley Sniper Fabricated Manifolds continue to push the aftermarket by introducing intakes for Big Block Chevy Engines. These Intakes are good looking, perform well, and offer an extremely good value for a performance sheet metal style intake mani...

Holley is now offering cost effective fabricated intake manifolds for LS, Small Block Chevy and Small Block Ford engines in carbureted and EFI versions.Features: Black Finish creates stealthy under-hood styling 3mm (1/8") thick T6061 sheet aluminu...

Holley is now offering budget friendly fabricated intake manifolds for the popular Ford 4.6L 3v engine in carbureted and EFI versions!Features: Black Finish creates stealthy under-hood styling 3mm (1/8") thick T6061 sheet aluminum construction for...

Holley is now offering budget friendly fabricated intake manifolds for the popular Ford 4.6L 3v engine in carbureted and EFI versions!Features: Silver finish creates high impact under-hood styling 3mm (1/8") thick T6061 sheet aluminum construction...

Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, a 400 lph fuel pump, internal baffling, a fuel ...

Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, a 255 lph fuel pump, internal baffling, and fue...

Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, a 255 lph fuel pump, internal baffling, and a f...

Fuel tank is a direct fit for your application with no body modifications necessary. The kit includes the tank, a 255 lph fuel pump, fuel level sender, new tank straps, and the filler elbow housing. The tank is powder coated for corrosion resistan...

Fuel tank is a direct fit for your application with no body modifications necessary. The kit includes the tank, a 255 lph fuel pump, fuel level sender, new tank straps, and the filler elbow housing. The tank is powder coated for corrosion resistan...

Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, a 255 lph fuel pump, internal baffling, and a f...

Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, a 255 lph fuel pump, internal baffling, and a f...