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This valve spring kit has everything you need to prepare your heads for high-lift cam use and high RPM applications. The kit includes a set of Dual Hi-Performance Valve Springs, Chromoly Retainers and Hardened 3 Groove Valve Locks. Installation Note: The valve guide boss/valve mating surface on..

This valve spring kit has everything you need to prepare your heads for high-lift cam use and high RPM applications. The kit includes a set of Single Hi-Performance Valve Springs, Chromoly Retainers and Hardened 3 Groove Valve Locks. Application Note: This is considered a universal part and can..