Valve Spring - 1300 Series Circle Track - Dual Spring - 436 lb/in Spring Rate - 1.175 in Coil Bind - 1.374 in OD - Set of 16

Upgrade your engine's performance with PAC RACING SPRINGS' 1.374 Dual Valve Springs. Perfect for Circle Track applications, these high-quality springs provide precise valve control with a spring rate of 436 lb/in. Designed to boost power output and...

Upgrade your engine's performance with the 1.375 CM Valve Spring Retainers 5/16 7-Deg by CROWER. These high-quality chromoly retainers are designed to provide optimal valve spring control, enhancing your vehicle's power and efficiency. With a 7-degree...

Valve Spring Retainer - 10 Degree - 1.375 in / 1.035 in / 0.710 in OD Steps - 1.437-1.500 in Dual Spring - Steel - Set of 16

Valve Spring Retainer - 500 Series - 8 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16

Valve Spring - Dual Spring - 230 lb/in Spring Rate - 1.000 in Coil Bind - 1.384 in OD - Set of 16