Valve Spring - 1300 Series Circle Track - Dual Spring - 513 lb/in Spring Rate - 1.140 in Coil Bind - 1.564 in OD - Set of 16

Upgrade your engine with the high-performance 1.564 Dual Valve Springs from PAC RACING SPRINGS. Engineered for optimal valve control and maximum power, these springs offer a perfect balance of strength and flexibility with a 525 lb/in spring rate...

Upgrade your engine's performance with the 1.565 Dia. Inter-Fit Valve Springs by COMP CAMS. These high-quality springs are designed for endurance races, featuring a dual spring design with a 526 lb/in spring rate for optimal performance. With a coil bind...

Upgrade your engine's power with the PAC RACING SPRINGS 1.570 Dual Valve Spring 1300 Series C/T (1)! This high-performance spring brings precision and endurance to your circle track setup, ensuring consistent results on the track. Designed for racing...

Upgrade your engine's performance with the 1.570 Dual Valve Spring CT 1200 Series from PAC Racing Springs. These high-quality valve springs are designed for Circle Track racing, offering a dual-spring setup with a 743 lb/in spring rate. With a 1.055-inch...

Valve Spring - Max-Life - Dual Spring / Samper - 644 lb/in Spring Rate - 1.150 in Coil Bind - 1.570 in OD - Set of 16