As low as $38.29/mo with or . (Pay in 4 interest-free payments)
SP1 Springs and Retainers SP1 Springs and Retainers deliver precision, durability, and consistent performance for high-demand engines and racing applications. Engineered by SP1 for exact fitment and reliable valve control, these components help maximize RPM, reduce valve float, and extend valvetrain life. Premium materials: Heat-treated alloy springs and hardened retainers for superior fatigue resistance. Optimized design: Progressive and linear spring rates available to match your cam profile and application. Reliable fitment: Manufactured to tight tolerances for repeatable installation and consistent valve seating. High RPM performance: Prevents coil-bind and valve float under extreme loads. Applications: Ideal for racing, performance builds, and high-performance street engines. Each SP1 kit is inspected for quality and balanced to provide smooth, predictable valvetrain behavior. Backed by SP1 engineering, these springs and retainers are a direct upgrade for enthusiasts and professional builders seeking proven results.
Precision-engineered for optimal valve control in high-demand engines.
Durable heat-treated materials enhance fatigue resistance and longevity.
Customizable spring rates ensure perfect compatibility with your setup.
Prevents coil-bind and valve float, enhancing performance at high RPMs.
Ideal for racing and high-performance builds, delivering proven results.
or 
. (Pay in 4 interest-free payments)
