Valve Spring - 1300 Series Drag Race - Dual Spring - 813 lb/in Spring Rate - 1.130 in Coil Bind - 1.300 in OD - Each

Valve Spring - Dual Spring - 408 lb/in Spring Rate - 1.040 in Coil Bind - 1.320 in OD - Set of 16

Valve Spring - 1300 Series Drag Race - Dual Spring - 813 lb/in Spring Rate - 0.985 in Coil Bind - 1.300 in OD - Set of 16

Valve Spring - 1300 Series Drag Race - Dual Spring - 740 lb/in Spring Rate - 0.973 in Coil Bind - 1.300 in OD - Set of 16

Upgrade your engine with the high-performance 1.300 Dual Valve Springs GM LS1 by CROWER. These springs are designed to provide optimal pressure levels, enhancing your engine's performance and durability. With a spring rate of 371 lb/in and a coil bind of...

Upgrade your engine with the top-of-the-line 1.300 Steel C/M Valve Spring Retainers from PAC RACING SPRINGS. These 7 Degree retainers are designed to enhance performance and durability for your engine, ensuring optimal valve spring control. Made from...