PSI Single Spring and Titanium Retainer Combo for Honda - Acura K Series (K20 & K24) Engines

PSI Pro Stock Motorcycle Valve Spring with Max Life Treatment and our own custom seat and retainer for the Honda / Acura K20 & K24 Engines. This is a lightweight package with plenty of room to run large camshafts beyond .650 lift. 132lbs on the seat, 320lbs @ .600 lift. Package comes with springs, spring seats, and titanium retainers. These have been proven year after year and have a VERY long service life, 20 times that of the cheaper alternatives on the market. Excellent protection against floating valves in the event of a missed gear. Max RPM 11,000+. These valve springs are for serious race use only, If you aren't sure if they are right for your application please contact us. Single Valve Spring: 132 psi @ .650 lift Valve Springs, Spring Seats, and Titanium Retainers & Keepers are Included.