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Holley is now offering budget friendly fabricated intake manifolds for LS, Small Block Chevy and Small Block Ford engines in carbureted and EFI versions!Now Includes mounting provision for MAP sensor on rear of intake plenum. Use GM #12592525 or e...

Holley continues to push the envelope of intake design with its latest offering. The unique look of this intake will surely stand out from the crowd!Our latest release of fabricated "Dual Plenum" intake manifolds for GM LS1/2/6 and LS3/L92 engines...

This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower. A pre-calibrated fuel-level sending unit designed to wo...

Introducing the Holley EFI Single Channel EGT Kits. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature can help you identify potential horsepower left on the table,...

The best crimping tool available for making custom wiring harnesses. Constructed with a heavy duty hardened steel frame with molded non-slip hand grips. An adjustable ratchet mechanism produces consistent factory style high quality crimps. Bring...

Replacement Bosch wideband oxygen sensor for Sniper EFI and Terminator X systems.Features: Anti-Seize pre-applied to sensor threads. Service Oxygen Sensor for Sniper EFI and Terminator X systems. Specs: Band Type: Wide Brand: Holley EFI Categor...

Sniper EFI Throttle Cable Bracket Kit for GM LS1/2/3/6 EnginesFeatures: Constructed of Billet aluminum Aligns throttle cable to provide most direct route to eliminate binding Designed to be used on Sniper Fabricated LS1/2/6 Intake Manifolds Silve...

These Holley EFI Smart Coils are a bolt-in ignition upgrade for your late model HEMI or Coyote engine. Here's the difference over a stock coil, they produce more spark energy while consuming less power without sacrificing voltage output. This mean...

The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5" LCD displayFeatures: Full Color, Backlit 3.5” Touch Screen LCD Laptop-Free Tuning changes to help optimize mileage, driveability and performance ...

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifold and rail kits will work with OE (Original Equipment) or aftermarket cylind...

Fuel Injector Performance Commander 950 Systems 60 PPH@12 PSI 85 PPH@21 PSIFeatures: Fits the 502-6, 502-20's, 950-21S TBI's Commander 950 Systems 60 PPH @ 12 PSI 85 PPH @ 21 PSI Specs: Body Diameter: 0.97 Body Length: N/A Body Style: N/A Bran...

Holley continues to push the envelope of intake design with its latest offering. The unique look of this intake will surely stand out from the crowd!Our latest release of fabricated "Dual Plenum" intake manifolds for GM LS1/2/6 and LS3/L92 engines...

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. A pre-calibrated fuel-level sending unit designed to wo...

Improve your installation experience by using our ignition adapter harness for your Sniper EFI product. Simply plug in both connectors, terminate the pink wire to a switched 12V ignition source, and you're all set.Features: Plug and Play Adapter f...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools, we have everything you need to build or service your H...

These analog-style gauges are designed specifically for use with Holley EFI systems. They are compatible with all Terminator, HP, and Dominator ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles. CAN-bus communicatio...