Holley EFI

Unlike the other Holley EFI gauges which daisy chain together, the fuel level gauge wires directly to the sending unit, eliminating the need for custom ECU configuration.FeaturesFits GM LS Throttle...

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...

Regulator Rebuild Kit for 1 bbl, 2 bbl, & 4 bbl Holley TBI regulators. Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new. Includes...

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.FeaturesModular Design w/...

Required when upgrading to (EV1/Bosch style) performance injectors on LS2, LS3, or L99 applications (not required to upgrade LS1 and LS6 applications).FeaturesModular Design w/ Removable TopOverall...

Stainless Steel Fuel Rail Crossover Chevrolet Big Block V8 with Holley MPI Manifolds

AN-8 6061-T6 aluminum hi-flow fuel rail extrusion for the fabrication of custom fuel injection systems. The 5/8" diameter fuel passage provides the flow capacity for high horsepower applications and...

Fuel Rail Kit, LS1 for Dual-Quad and cathedral port Hi-RamFeaturesMulti-Port Fuel Injection Retaining Plate

This fuel rail kit is specifically designed to work with the Holley GM 2x4 dual plane manifold. Working to utilize the technology of the LS pushrod engine and now mated with the impressive multi-carb...

FUEL RAIL KIT, SBF 302 HI-RAMFeaturesMade from a 5/32” thick UV-resistant ABS composite materialBezels are as strong, or stronger than the OEM panelsBezels come in a matte black finish that will...

EFI fuel rails are machined for –8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.FeaturesMade of UV-resistant ABS...

Left and right, bright clear anodized, extruded aluminum fuel rails for Chevrolet Small Block V8 with Holley MPI Manifolds.