Spring Kit Yfm660R 01-02 80-80030

Lightweight Racing Valve Spring Kit

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

Compatible with both KPMI seals and the OEM tophat seal. Kit Includes: • 5x CrSi Valve Springs • 8x Titanium Retainers • 3x Intake H.T. Steel Basewashers • 2x Exhaust H.T. Steel Basewahsers