Product DescriptionThese are the parts to rebuild the Lazer 5 72cc big bore kit. Piston Assembly for 70cc ATV, Dirt Bike & Go Kart. The item fits for 70cc Horizontal Engine. The diameter:47mm The height:40mm The diameter of piston pin:13mm The length of the piston pin:36.7mm
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Upgraded my ride to the 72cc big bore kit. A year later, the piston seized up due to poor oil flow. I'm SO glad WGS carries the replacement piston and pin kit. Also, gotta give it to WGS for the fast shipping. Parts arrived two days after I placed the order.