RPM Air-Gap 351C Intake Manifold ED7564 Turbo Restrictors This spring perch design is

This spring perch design is the industry standard as it closely replicates the original Ford part manufactured between 1928 and 1934

This kit is made from only the highest quality gasket materials to ensure proper sealing

Made from a premium fibre material

This procedure (done only to the shorter studs) more equalizes the "stretch" of both studs

RPM Air-Gap 351C Intake Manifold ED7564 Turbo Restrictors This spring perch design isRPM Air Gap 351C Intake ManifoldFord 302 351C, 1500 6500 rpm ED7564 7564 Designed to improve performance on the street or racetrack, the RPM Air Gap 351 Cleveland manifold features an open space that separates the runners from the hot engine oil resulting in a cooler, denser charge. The Edelbrock air gap design utilises the same race winning technology that's been used on Edelbrock's Victor Series competition intakes for many years. The RPM Air Gap