Holley EFI

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...

Coil Harness for 2011 to 2015 Ford Coyote (5.0L) EnginesFeaturesBlack ceramic coating provides an aggressive look to your engine compartment2500-7000 RPM power band4150 Square bore flangeOptimized...

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...

The Holley EFI CAN Input/Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installation. This CAN module will add eight inputs and eight outputs to the...

The 300-606 is the 105mm throttle body adapter in the 300-621 complete kit. Offering this separately allows you to select your components individually as you build your system. The Ultra Lo-Ram...

LT1 Hi-Ram Intake Manifold Stud Kit, Cylinder Head to IntakeFeaturesSingle Channel Analog Controller with unterminated output wires, to be used with non-Holley EFI installations, Part Number 554-184A

Replacement Fuel Injector for 1bbl Pro-Jection Systems 501-1 & 501-2FeaturesPICO/EV6 style performance injectors – sold individually or set of 8Dynamic Flow Matched within 1%High impedance for use...

The Holley GM LS7 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited...

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not...

The best crimping tool available for making custom wiring harnesses. Constructed with a heavy duty hardened steel frame with molded non-slip hand grips.Features100 count packs of Pins

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"...

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