piston88Because K20 and K24 heads all share the same 50.5cc combustion chamber volume, the compression ratio will stay the same regardless of whether you these pistons in a K24 blockPISTON88 Portal resmi Dinas Kehutanan Kalimantan Tengah – pusat informasi kebijakan, pelestarian hutan, reboisasi, dan pengelolaan sumber daya alam berkelanjutan.