Extensive R&D on all applications to provide high-performance components that last longer than OEMSuper-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular...
Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springsCompatible with boosted or turbocharged applicationsCNC-machined titanium retainers and...
Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one...