Edelbrock Sure Seat Single Spring / Damper Valve Spring - 1.130 in Coil Bind - 1.460 in OD - Big Block Ford - Set of 16 SR71760H Three sets of advance springs

Three sets of advance springs allow you to adjust the rate of spark advance from quick

5" tube cooling

Spiro-Wound With Stainless Steel Wire

8000 Lbs Snatch Block

Edelbrock Sure Seat Single Spring / Damper Valve Spring - 1.130 in Coil Bind - 1.460 in OD - Big Block Ford - Set of 16 SR71760H Three sets of advance springsMade of highest quality spring wire and precision wound to close tolerances, our Sure Seat Valve Spring sets are for use on original equipment heads when installing Edelbrock Performer Plus, Performer RPM and Torker Plus camshafts. These are the same high performance springs used on Edelbrock Performer and RPM cylinder heads. The #5900 Series valve springs are designed for use with OEM valve rotators. Valve Spring Kits are complete kits that contain