23104050 - Vertex Cast Piston Kit For Yamaha YFM 660 F 4X4 Grizzly 2002-2004 +0.50 mm

Features: The piston is heat-treated with a T-5 hardening and tempering cycle. The piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break in time and increased piston life. Cast piston is gravity-cast aluminum alloy (not forged) with 18% silicone content. OE replacement piston. Kit includes piston, rings, wrist pin and circlips . Kit Includes: • +0.50 MM Oversized Cast Replica Piston • Ring Set • Wrist Pin • Circlips.