Holley EFI Aluminum Fuel Rails - (LS1 EFI)
EFI Fuel Rail Kit for 300-137 LS Gen III LS1/LS2/LS6 Single Plane Intake Manifold
These machined aluminum EFI fuel rails are capable of handling 1,100+ hp engines.
Feature a 1/2" dia. bore to decrease fuel pressure drop & help cancel out back pulses.
Designed to fit single plane Holley EFI 300-137 intake manifold.
Fuel rails are machined for -8 AN O-ring fittings.
Fuel Rail Kit Contents:
(2) - Fuel Rails, High Volume, Black Anodized Holley EFI
(2) - Fuel Rail Bracket, Long, for Standard EV1 type fuel injector
(2) - Fuel Rail Bracket, Short, for GM OE LS7 type fuel injector
(2) - Hex Head cap screws for fuel rail bracket to intake manifold mounting
(2) - Hex Head cap screws for fuel rail bracket to fuel rail mounting
(2) - Fuel Injector Outlet O-ring, adapting the LS7 injector
PART NUMBER: HOL-534-219
