HPT Valve Spring Compressor Tool V2 – For Honda K20, K24, F20C, F22C Engines. HPT Valve Spring Compressor Tool- for Honda K20a, K24a, F20C, F22C S2000. This tool is perfect forHonda K-Series (K20/K24) andF-Series (F20C/F22C) engines, includingHonda S2000 applications.