Holley Fuel Rail Kit - For HLY300-137 356603 With a patented orifice metering

With a patented orifice metering valve and a lightweight check valve disc these High Energy hydraulic flat lifters for '58-'67 Chrysler 383-440 and 426 HEMI provide quicker response and better performance

Fits virtually all makes and models of 4 bbl square and spread bore carburetors

Pro-Lite 350 Line

3 AN Female

Holley Fuel Rail Kit - For HLY300-137 356603 With a patented orifice meteringEFI Fuel Rail Kit for HLY300 137 Single Plane MidRise EFI LS Intake Manifold which fits all GM LS Gen III or IV engines equipped with LS1 LS2 LS6 style cathedral port cylinder heads. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley