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Holley does it again with their new die cast aluminum fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle.The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT ...

Expand your EFI Live AutoCal with this Tune Package, engineered for GM Duramax trucks. Perfect for adding another vehicle to your existing AutoCal, this package provides custom tune files and optional SOTF (Shift-On-The-Fly) switch for real-time c...

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...

The all-new Pulsar + Insight CTS3 kits are the best performance combo on the market for late model Hemi trucks. The Pulsar is an in-line computer that connects directly to the vehicle PCM, eliminating unnecessary wires in the engine compartment. B...

The Holley EFI Vacuum Manifold kit is designed for those of you wanting a simple and clean solution for plumbing either vacuum or boost referenced sources. This manifold block features 12 1/8th NPT ports that can be plumbed with most common EFI tr...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!While these distributors are designed to be used primarily in ...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!While these distributors are designed to be used primarily in ...

This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower. Featuring a pre-calibrated fuel-level sending unit desi...

Do you need precision control over your ignition system? Would your combination benefit from Individual Cylinder Timing Control? Are you experiencing spark issues with your Stock Coils? Are you wanting to convert your Turbocharged Big Block Monstr...

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They 're engineered using a Holley fuel filter coupled with quality Earl's Vapor Guard plumbing to provide a fuel system tailored to the needs of your EFI System. ...

These manifolds are designed for 2011-2023 Ford 5.0L high performance engines with cylinder heads that have an OEM type mounting pattern and port dimensions. These kits include fuel rails for use with OEM type fuel injectors and will not accept mo...

The four channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains one 4-channel driver.Features: Four channel Use along OEM coils Potted design allows inst...

The six-position Edge Revolver for the Ford 7.3L Power Stroke diesel can now be controlled by the Insight CTS3! Change the power levels of your chip using the touchscreen on the Insight CTS3. The new kits will include the Revolver chip, Insight CT...

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. A pre-calibrated fuel-level sending unit designed to wo...

Add even more power to your Gen III Hemi engine with a Holley Hi-Ram intake manifold. This cast intake manifold has large intake ports - fits 2009-up 5.7L, 2005-2010 6.1L & 2011-up 6.4L engines.The Holley Hi-Ram intake manifold is for high-pe...

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. The Ultra Lo-Ram i...