Sale and Clearance

The heart of a fuel system begins with the fuel tank. When building a fuel system, swapping a carb, or converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simpl...

Billet fuel rail kit includes both rails, crossover line, and mounting hardware. Designed for use with Sniper EFI manifolds only.Features: Fuel Rail Kit for GM LS1/LS2/LS6 Sniper manifolds with Sniper logo Billet aluminum construction Includes mou...

Introducing the next generation Evolution CTS3: all-new, full-Color Touch Screen CTS3. The CTS3 will continue to include all of the great features, benefits and extended coverage from the CTS2 product line, all while adding a sleek, new exterior a...

Wideband Oxygen Sensor Extension Cable, 4' Features: For Holley EFI 4 ft. Extension cable for O2 sensor Use with Holley part numbers 554-100 and 554-101 Specs: Brand: Holley EFI Category: Emission Control Color: Black Connector Quantity: 2 ...

Holley's new 1000 CFM throttle body shares the same air entry area design that powers every NASCAR Sprint Cup Series™ car. The throttle body features integrated throttle position, idle air control, and intake air temperature sensors. Ford and GM t...

2 bbl Replacement TBI's PN's 502-4, 502-5, 502-6, 502-7, 502-8, 502-9.Features: (1) Fuel Meter Body Gasket (1) Flange Gasket (1) Pressure Regulator Diaphragm Assembly (1) Pressure Regulator Spring Assorted O-rings and gaskets Specs: Brand: Holley...

Replacement 1 bar MAP sensor for Terminator EFI.Specs: Body Material: Composite Brand: Holley EFI Category: Emission Control Color: Black Connector Color: Black Connector Gender: Female Connector Quantity: 1 Emission Code: 5 Grade Type: P...

Main Engine harness intended for use with Terminator X, X Max, Terminator, HP, and Dominator ECUs when using a Terminator or Terminator Stealth style Throttle Body Injection unit on a Gen 4 58x LS engine. This harness has crank and cam sensor plug...

MULTEC 2 INJECTOR HARNESS - EARLY TRUCKSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 Harness Application: Universal Harness Type: Injector Part Type: Fuel Injection Harness Product Type: LS Multec Style Injector ...

The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and play connectivity with your Dominator ECU. This harness is designed to be used with the "custom" staged injection strategy in Holley EFI V5 software. In...

Introducing the Holley EFI Wiring Shop. 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 Holley EFI ...

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 designed to be used with popular factory EFI engi...

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 kits are designed to be used with popular factory...

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....

Terminator X fuel injectors are dynamic flow matched within 1%, resulting in extremely precision and consistent injector characteristics. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly foun...

Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads-Black FinishDesigned with a 4150 Square bore flange. Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle ...

The Holley LS1/2/6 Ultra 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 manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram i...

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 manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifo...

The Holley LS3 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equippedwith GM LS3/L92 cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ramintake manifolds are designed for fo...

The Holley GM Gen V LT Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced...

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as an alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS...

Fits Holley Hi-Ram Intakes,Features: Modular Design w/ Removable Top A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing Height at Plenum Flange: 9.44” O-Ring Seals on Plenum Top Specs: Brand: Holley EFI Category: Air and...

Add even more power to your Gen III Hemi engine with a Holley Hi-Ram intake manifold. This cast intake manifold has large intake ports - fits 2009-up 5.7L, 2005-2010 6.1L & 2011-up 6.4L engines.The Holley Hi-Ram intake manifold is for high-per...

The Holley EFI Vacuum Manifold kit is designed for those of you wanting a simple and clean solution for plumbing either vacuum or boost referenced sources. This manifold block features 12 1/8th NPT ports that can be plumbed with most common EFI tr...