Holley

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies...

The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Sniper...

The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The...

Holley® Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley®. They are precision machined from 6061-T6 billet aluminum for strength and durability. They...

The world famous Red, Blue and Black fuel pumps are the most recognized performance pumps of all times. They have been powering racing legends and street enthusiasts alike since the early 70's. Their...

Steam tubes on your LS are designed to eliminate trapped air and steam to prevent hot spots or overheating. The complete kits are available to plumb your LS engine and include the appropriate hose...

Holley's tall LS valve covers are the latest addition to our extensive line of LS engine components that will add a custom touch to your engine bay and help you to stand out from the crowd. These...

Holley's tall LS valve covers are the latest addition to our extensive line of LS engine components that will add a custom touch to your engine bay and help you to stand out from the crowd. These...

GM’s popular LS engines are finding their way into a large variety of vehicles. They make great power, plus they’re very durable and reliable. Unfortunately, the factory LS pans don’t always fit or...

GM LS Retro-fit Oil Pan - 1955-87 GM/Muscle Car/Classic Car/Trucks Cars requiring more clearance at the front half of the oil pan Great for 1967-69 Camaro/Firebird, 1968-74 Nova/Apollo/Ventura/Omega...

Complete connector and pin kit for use with Holley EFI Stealth Ram Power Pack kit.

Required when upgrading to (EV1/Bosch style) performance Injectors on LS2, LS3, or L99 applications (not required to upgrade LS1 and LS6 applications).

Required when directly connecting Holley fuel rails to GM factory fuel line quick?????connect. Includes (1) 3/4?????16 O?????ring port plug and (1) ?????6 to GM quick connect adapter.

Note if this product is to be used with aftermarket (tall) EV1 performance injectors: LS2, LS3, and L99 applications will require taller brackets and Adapter O-rings to be used with EV1 injectors...

Note: If this product is to be used with aftermarket (tall) EV1 performance injectors: LS2, LS3, and L99 applications will require taller brackets and Adapter O-rings to be used with EV1 injectors...