RM Big Bore Kit for the Gy6 150cc engine. 60mm equals to 163cc upgrade. No boring of the case is required for 90% of the scooters out there. Kit includes Cast Piston, Piston Rings, Clips, Rod, Base Gasket and Head Gasket.
Also included is a Shengee 60mm Valve head. And to top it off a RM A13 Camshaft. This kit will not fit any gokart, Dune buggy or ATV regardless if it has a GY6 engine.
This includes the box it comes in. Dont get it dirty or rip it up.If the box is damaged then we will not accept the return. It is your job as a customer to measure your bore and verify this kit will fit.
The outer diameter of the skirt is 62.88mm. Our policy lasts 30 days.To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. The item "Scooter GY6 150cc High Performance 60mm Big Bore COMBO KIT" is in sale since Tuesday, February 18, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "unique_scooter_parts" and is located in Vega Baja, Puerto Rico.
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