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Universal Parts Qmb139 50Mm Big Bore Cylinder Kit 1

QMB139 50mm Big-Bore Cylinder Kit – High-Performance Engine Upgrade

Original price was: $69.99.Current price is: $46.66.

In stock

Quantity
SKU: 151-258 Category: Brand:

Description

img-qind.JPGUniversal Parts 50mm Big Bore Cylinder Kit for 50cc 4-stroke QMB139 engines. Upgrades to 81.3cc based on a stock stroke of 41.4mm! Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket.
*You may need to modify your engine case to accommodate the larger cylinder.

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