Piston Kit - TRX400EX/X - 86.95 mm

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. Increases engine's displacement, torque and peak horsepower. Forged OE stock compression big bore piston. Piston kit includes piston, rings, wrist pin and circlips.