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

52mm Aluminum Cylinder

Old Part Number TBW0508

TBW0478 Pilot Jets

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

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

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