Valve Spring Kit - 0.440" Intake Lift/0.405" Exhaust Lift - Honda
Compatible with boosted or turbocharged applications, Designed with increased spring rates and high lift compatibility compared to the stock springs, CNC-machined titanium or H.T. (Heat Treated) Steel retainers and Cr-Si (Chromium Silicon) alloy dual springs provide valvetrain control at high rpms with high-performance camshaft capability, Made in the USA