Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springs. Compatible with boosted or turbocharged applications. CNC-machined titanium retainers and Cr-Si dual springs provide valvetrain control at high rpms with high-performance camshaft capability. Kit includes 12 titanium retainers, 12 CrSi Valve Springs and 12 H.T. Steel Basewashers.
