For Z140, Z2 140cc, Z2R 140cc, Z3 140cc, Z3R 140cc. Compatible Model: 140cc. 1 x 56mm Piston. 1 x 13mm Piston Pin. The piston gasket is a seal placed between the piston and the cylinder wall in the engine, preventing cylinder leakage and oil leakage and ensuring normal engine operation.
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