Description
This is a high compression piston! .5mm taller than most standard 50mm pistons. *There may be clearance issues if used in conjunction with a stroker crank.
Upgrades to 81.3cc
Piston Diameter: 50mm
Compression Height of Piston: 20mm
SUPPORTED MODELS: Kymco, QMB139 50cc/49cc , SYM, Various unlisted makes/models