64mm Big Bore and Carb Kit YX/GPX/Zongchen 150/155/160cc TBW9041 52mm 52mm Aluminum Cylinder

52mm Aluminum Cylinder

This is a very high quality Honda 50 & 70 aluminum shift lever with the following features:

This is what really sets our kit apart from the competition especially considering the price

Part Number: TBW0991

With these oversized valves you get the best of everything as the stainless material will long out live the stock valves

64mm Big Bore and Carb Kit YX/GPX/Zongchen 150/155/160cc TBW9041 52mm 52mm Aluminum Cylinder***AUTHORIZED TB PARTS DISTRIBUTOR!!!***We've stood behind these products 100% since we opened in 2005. Best reviews received for a big bore kit hands down! Trail Bikes 170cc, 177cc, or 184cc Big Bore and Carb Performance Kit for YX GPX Zongchen 150cc 155cc 160cc Engines Part Number: TBW9041 Description: All aluminum ceramic plated 64mm cylinder with skirt NEW We increased the skirt height and size on the lightweight high compression 64mm piston with