Edelbrock's #5703 Sure Seat Valve Spring for Small-Block Chevy O.E. cast iron cylinder heads is meticulously crafted from the finest quality spring wire, precision wound to close tolerances. These Sure Seat Valve Spring sets are specifically designed for use on original equipment heads when installing Edelbrock Performer-Plus, Performer RPM, and Torker-Plus camshafts. Notably, these springs mirror the high-performance springs utilized in Edelbrock Performer and RPM cylinder heads. It is crucial for camshaft warranty compliance to strictly adhere to the use of springs recommended by Edelbrock for each respective camshaft application.
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