The Edelbrock Sure Seat valve spring (part #5767) is a replacement set for Ford 429/460 V8 OE cast iron heads covering 1969–1987 applications. Constructed of high‑quality spring wire and precision wound to close tolerances, these springs are intended for use with Edelbrock Performer‑Plus, Performer RPM and Torker‑Plus camshafts and match the springs specified for those camshaft applications.
Edelbrock V/S Perf RPM and Torker Ford 429-460