Holley EFI

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 cylinder...

Available with single or dual injector provisions and a burst panel flange, the LS3 Lo-Ram intake manifold is designed for boosted combinations with hood clearance in mind. The Holley LS3 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III...

Available with single or dual injector provisions and a burst panel flange, the LS3 Ultra Lo-Ram intake manifold is designed for boosted combinations with hood clearance in mind. The Holley LS3 Ultra Lo-Ram intake manifold kits are designed for GM LS...

Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1/2 style MAP sensor. The 558-416 is an adapter harness that can be used to adapt any LS harness that uses an LS1/2 MAP sensor connection to an LS3 MAP. Also great for...

Take your forced induction ride to the next level with a Holley water/meth injection system! Integrated into the Holley HP and Dominator EFI Systems is the capability to control water/methanol injection, allowing you to safely run on lower octane pump...

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. Plenum top is machined...

Includes a single 1 ft. Daisy Chain cable for use with Holley EFI Analog Style CAN Gauges.FeaturesFits Ford Throttle Bodies105mm Throttle Body Opening - 100° Mounting AngleFits Intakes w/ 4150 FlangeSlotted Mounting Holes Allow Forward, Sideways or...

For use in forced induction applications when a 2 or 3 bar sensor is not sufficient.FeaturesDesigned for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder headsDesigned for forced induction (supercharged or turbocharged)...

This wiring harness interfaces a Holley EFI ECU to a 2V Modular Ford engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness. Features4150 4 Injector...

1 Bar Map Sensor, 1/8-27 NPTFeaturesDesigned for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder headsDesigned for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm...

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish Introducing Holley Super Sniper EFI! Looking to convert your blow thru...

Complete connector and pin kit for use with Holley EFI MPFI Power Pack kit. Includes connector and pins for: Manifold Absolute Pressure (MAP) sensor Idle Air Control (IAC) Throttle Position Sensor (TPS) Coolant Temperature Sensor (CTS) Air Intake...