New-style thinner piston ring (.8mm thick) for Zenoah 32mm engines. Thinner ring allows for reduced friction, higher revs, and more power. Fits 32mm bore piston.
Zenoah part # T2071-41210 and 51244-6801
FG part # 07309/09
Stock Part on the
Zenoah G230RC G240RC
G231PUH G231PUM
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