Double valve springs, titanium valve cups SEAT / VALVE SEAL KIT (Mitsubishi 4G63 / Evo) BC-0120

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 The valve springs are designed for the following car models: -Mitsubishi 4G63 / Evo -Mitsubishi VIII / Evo IX Parameters: -Free Length 1.800 "-Seat 1.550" @ 92 lbs-Open 1.100 "@ 235 lbs-Coil Bind 0.970" - Net Cam Lift 0.520 "/ 13.2mm BC valve springs are designed for high rotational speeds. Kit includes titanium plates.