Edelbrock 3657 Fuel Injection Fuel Rail
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The 3657 is designed for use with the 7135 Oval Port manifold. This kit will work with Pico injectors as used on the PN 3557 Pro-Flo XT EFI conversion kit, or with standard height injectors (2.50 o-ring center-to-center spacing) using the included adaptors. Unlike the fuel rail included with the PN 3557, in this kit all of the fuel rail ends are tapped for 3/8 pipe. There is no provision for our plug-in style of fuel pressure regulator. The customer will supply their own crossover and regulator. The fuel rails are black anodized prior to machining.
Please review Specifications and the detailed fitment table for notes and exceptions.