Holley Performance

Holley EFI billet bypass fuel pressure regulator kit is part of a complete line of fuel system products from Holley. The included 12-848 regulator features a billet aluminum body and a black finish for corrosion resistance. The regulator contains ...

Holley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-846 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. ...

Dash bezel is designed to work with the Holley dashes and are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are as strong, or stronger than the OEM panels. The bezels come in a matte black finish that will...

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...

This fuel rail kit is specifically designed to work with the Holley GM 2x4 dual plane manifold. Working to utilize the technology of the LS pushrod engine and now mated with the impressive multi-carb looks and performance of the muscle car era in ...

Fuel Rail Kit, LS1 for Dual-Quad and cathedral port Hi-RamSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Color: Black Emission Code: 4 Fittings Included: No Fuel Injection Type: Port Fuel Injectors Included: No Fuel System Type: ...

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...

Fits Holley Hi-Ram Manifolds-Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The p...

Fits Holley Hi-Ram ManifoldsFeatures: 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 for Plenum Top Specs: Brand: Holley EFI Category: Air a...

Fits Holley Hi-Ram Manifolds - Holley has launched new black ceramic-coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The ple...

Ford AODE/4R70W Transmission HarnessFeatures: Plug and play fully terminated harness 1992-1997 Ford AODE/4R70W (5) connectors Unterminated loose wires Specs: Brand: Holley EFI Category: Transmission Connector Quantity: 5 Emission Code: 5 Grad...

Holley is pleased to announce the continuing evolution of its very successful analog-style gauges with the release of new 3-3/8" and 4-1/2" speedometers and tachometers to complement our 2-1/16" gauge line. These are designed specifically for use ...

Dash bezels that are designed to work with the Holley dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte bla...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte...

These cast aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to the intake plenum for maximum airflow and di...

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...