Holley EFI

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 runner layout and constant cross sectional area - broad...

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...

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 system, which can be used to control additional...

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 intake manifolds are designed for forced induction...

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 with saturated driversRated injector flow from 42lb/hr...

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. Coupling this Hi-Ram intake with the high flowing LS7...

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 limited. Coupling this Hi-Ram intake with the high flowing...

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" gauge line. These are designed specifically for use with...

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 heads. The Lo-Ram intake manifolds are designed for forced...

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 manifold and rail kits will work with OE or aftermarket cylinder heads. The...