VERTEX

Piston Yz85 104 Bb A

Part # 0910-2113

• —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
• —Big bore piston increases engine's displacement, torque, and peak horsepower
• —Piston kit includes piston, rings, wrist pin and circlips