Single Valve Spring Kit / Titanium Valve Bowl Kit / Valve Seat (Subaru BRZ, Scion FR-S, Toyota GT86 BC-0650

Brian Cower was created to meet the demand for high quality engine components at an affordable price. Stroker kits fit all popular Sport Compact applications as well as matching camshafts and valve timing. Complete packages designed to work together to provide more power and torque, and also greater reliability.Double valve springs are designed for the following car models: -Subaru FA20-Toyota 4UGSE Parameters: -Free Length 1.607 "-Seat 1.350" @ 80 lbs-Open 0.900 "@ 220 lbs-Coil Bind 0.765" -Net Cam Lift 0.500 "/ 12.7mm BC valve springs are designed for high rotational speeds.