Vertex VTK22568025 Replica Top End Piston Kit (Includes 2 Pistons)

Top end piston set includes: pistons, rings, pin, circlips, top end gaskets, and wrist pin bearings when applicable.

Fits:
1987 - 2006 Yamaha BANSHEE 350 ATV

Technical Specifications:
Compression Ratio (x:y): STD
Cylinder Diameter (mm): 64.25
Displacement (cc): 350.00
Piston Diameter (mm): 64.20
SizeOverStandard: 0.25

Vertex offers A, B, C, D, sizes so that the customer can properly fit each piston to the cylinder. The difference in the sizes is 0.01mm (0.0004") increments with A being the smallest and D the biggest. When a cylinder wears, the customer can choose the next larger piston size to regain the proper factory fitment.