PEVAVFZMMY 50mm Piston Pin Kit For 100cc Motorized Bicycle Bike Engine Accessories Engine piston and piston ring kits

PEVAVFZMMY 50mm Piston Pin Kit For 100cc Motorized Bicycle Bike Engine Accessories Engine piston and piston ring kits

PEVAVFZMMY

Excellent tolerance and fracture stress. The airtight function prevents gas leakage from the top of the piston. This type of piston ring also achieves heat dissipation effect. Prevent excessive oil from entering the combustion chamber and lubricate the cylinder walls thoroughly.

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