<script src="%7B%7B%20page.url(true)%7Ce%20%7D%7D/inventcalc.js"></script> Compression ratio Cyl count: Piston travel: mm Rod length: mm Cylinder diameter: mm Piston gap: mm Volume in piston: cm3 Volume in head gasket: cm3 Volume in head: cm3 Displacement: cm3 R/S: Cylinder volume: cm3 Combustion volume: cm3 Compression ratio: