Pro X Piston Kit for Yamaha, 54mm Bore

Pro X pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy as is used for all major Japanese engine manufacturers. Pro X Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.

FEATURES

• Save money over OEM pricing 
• Cast pistons in A, B, C and D sizing put engine back to specs without boring or replacing cylinder
• Interchanges directly with OEM parts
• Bearings and seals are also OEM quality
• Piston Kit comes complete with pistons, rings, pin, and end clips