Vertex VTK24212B-2 Cast Replica Top End Piston Kit - Standard Bore 46.95mm, Standard Compression protection 2003-2004 Yamaha YFM400 Big Bear

2003-2004 Yamaha YFM400 Big Bear 2x4

Dissipates heat and improves clutch life and performance

Bit sizes: Slotted - 3/16in

The Ti-6 Titanium Dual Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe

Vertex VTK24212B-2 Cast Replica Top End Piston Kit - Standard Bore 46.95mm, Standard Compression protection 2003-2004 Yamaha YFM400 Big BearBore: 46. 95mm Compression: Standard Compression Sizing: Standard Bore All pistons are heat treated with a T 5 hardening and tempering cycle. All piston skirts are coated with a high tech molybdenum disulphite coating for faster break in time and increased piston life. Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston. Forged pistons are forged from 2618