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Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes.Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle.Harness has...

Holley EFI Billet Blank Distributor Replacement Cap for 565-111 or any 565-200 series Dual Sync Distributors.Features:Designed to work on 565-111 or any 565-200 series Dual Sync Distributors.Specs: Brand: Holley EFI Category: Ignition Color: Bl...

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. ...

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 universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 15-90 psi, a gauge port, and a boost reference port as well. The regulators are ideal fo...

Holley EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 15-90 psi, a gauge port, and a boost reference port as well. The regulators are ideal fo...

Holley EFI bypass fuel pressure regulator kits are part of a complete line of fuel system products from Holley. The included 12-882 EFI Fuel Regulator features a die cast aluminum body and a chrome finish for corrosion resistance and clean appeara...

The Holley EFI CAN Input/Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installations. This CAN module will add (8) inputs and (8) outputs to the system which can be used to control additional accesso...

The Holley EFI CAN Input/Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installations. This CAN module will add (8) inputs and (8) outputs to the system which can be used to control additional accesso...

The Holley EFI CAN splitter allows you to add an additional CAN device to your Sniper EFI or Terminator X installation, without needing to unplug the handheld. This easy to install CAN splitter simply plugs into the CAN connector on your main harn...

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 ...

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 ...

The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X tuning software. Visit our Holley website under Support section to download updated ...

Introducing carb hats from Holley EFI. These new carb hats are the perfect solution for any blow through installation. The Holley EFI carb hats contoured designed promotes optimal airflow, while providing excellent hood clearance for most applicat...

Introducing carb hats from Holley EFI. These new carb hats are the perfect solution for any blow through installation. The Holley EFI carb hats contoured designed promotes optimal airflow, while providing excellent hood clearance for most applicat...

The Holley EFI Dominator ECU has built in capability to control dual Drive-By-Wire Chrysler Throttle Bodies - OEM P/N 53034251ABAdditionally, this harness requires pedal assembly part number 0486 1714.Specs: Brand: Holley EFI Category: Air and F...

These popular Holley EFI decals are top quality and stick easily to most surfaces. They're a great way to gain more business, get yours now!Features: Great way to show off your style High Quality Sticks easily to most surfaces Holley EFI logo Spec...

These analog-style gauges are designed specifically for use with Holley EFI systems. They are compatible with all Terminator, HP, and Dominator ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles. CAN-bus communicatio...

Holley is pleased to announce the continuation of their popular analog-style gauges with the release of a new white face 2-1/16" version, designed specifically for use with Holley EFI systems. These gauges are compatible with all Terminator, HP, D...

These Holley EFI Smart Coils are a bolt-in ignition upgrade for your late model HEMI or Coyote engine. Here's the difference over a stock coil, they produce more spark energy while consuming less power without sacrificing voltage output. This mean...

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full pot...

Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to ever...

Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to ever...

Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to ever...