Vertex Pistons Perf Piston Kit Stroker 381cc 84mm for Raptor 350 Warrior 350

For use with stroker crankshaft

Vertex Pistons Stroker Performance Piston Kit

+1mm Makes 381cc

Lit Includes: Piston, Rings, Pin, Clips

Must Be Used With Hot Rods Stroker Crank Shaft 4143

Compression Ratio: 9:2:1

Cylinder Diameter: 84.00

Displacement: 381.00cc

Piston Diameter: 83.94

Size Over Standard: 1.00

Fits the Following Yamaha Models:

Raptor 350 2004-2011

Warrior 350 1987-2004

Please Note: The Image Displayed Is Representative of the Item but May Vary Depending Upon Your Specific Model