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An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors will cover most applications that are using the factory injectors. The other harness is for the Bosch and Holley (or Jetronic/Minitimer) inject...

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors will cover most applications that are using the factory injectors. The other harness is for the Bosch and Holley (or Jetronic/Minitimer) inject...

GM 4L60/80E Transmission Harness - Complete terminated harness with j4 connector to operate GM electronic transmissions.For 2009+ GM 4L60/80E Transmission use Holley EFI Part Number 558-455.Specs: Brand: Holley EFI Category: Air and Fuel Deliver...

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...

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 for your GM LS engine comes complete with the main harness...

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...

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...

255 LPH Electric Fuel Pump Assembly for Sniper EFI Fuel Tanks. Oven brazed fittings can withstand 100 psi. Genuine Walbro Fuel Pump included.1/4" NPT Supply and Return line.Features: 1/4" NPT Supply and Return Line In-Tank Wire Harness Made in USA...

P/N 554-118 is designed as a drop-in sensor replacement for flying magnet crank trigger setups using a 3/4-16" threaded magnetic sensor. This sensor is a Hall Effect sensor, meaning it outputs a square wave signal, which is ideal for use with most...

This sensor is designed to trigger from a ferrous metal (magnetic steel) target, such as Holley's 60-2 crank trigger wheels. It can also be used for a cam sensor trigger and other applications.Specs: Brand: Holley EFI Category: Ignition Connect...

The HANS Pro Ultra Lite is SFI 38.1 and FIA approved and made in the USA. The Pro Ultra Lite device applies aerospace grade carbon to achieve a 100+ gram weight saving compared to the regular Pro Ultra. The Pro Ultra Lite saves on weight and allow...

Replacement Foam Or Gel Padding To Make Your HANS More Comfortable. HANS offers a number of replacement foam pads and upgraded gel pads for their devices. The replacement and upgrade parts are available in four different colors to help color match...

The Simpson Pilot Chute that fits all models.Specs: Brand: Simpson Racing Category: Vehicles, Equipment, Tools, and Supplies Color: Safety Orange Emission Code: 6 Part Type: Parachute Product Type: Parachutes Sub Category: Saf...

The Holley Dominator ECU has built in capability to control the Drive-By-Wire throttle pedals and throttle bodies used on most Chrysler HEMI applications.Specs: Brand: Holley EFI Category: Ignition Emission Code: 4 Harness Application: HEMI H...

The new Hi-Flow billet fuel rails are a direct fit for all late model, 2011 and newer naturally aspirated Coyote engines (5.0 and 5.2) including Cobra Jet and Boss 302. This also includes the 2018 and newer direct injection engines. The fuel rails...

The new Hi-Flow billet fuel rails are a direct fit for naturally aspirated Gen III Hemi engines including the 5.7L, 6.1L, and the 6.4L from 2003-2021. The fuel rails feature a 5/8" diameter fuel passage that provides more flow capacity for high ho...

HI-RAM 105MM Cast aluminum Side Mount Plenum Top for EFI Hi-Ram ManifoldsHolley now has cast aluminum plenum top options for those of us with limited room in the front of our engine bays. The cast aluminum side mount plenum tops resemble the older...