Honda TRX400EX ATV 99-08 Vertex Piston Kit (3.00)

• All pistons are heat-treated with T-5 hardening and tempering cycle; piston skirts are coated with a high-tech molybdenum bisulphite for faster break-in time and increased piston life
• Piston kits include piston, rings, wrist pin and circlips
• Standard pistons and rings are OEM replacements
• Two-stroke piston kits made from gravity cast aluminum alloy (not forged) with 18% silicone content, which produces and extremely light but very strong piston
• Four-stroke pistons are forged from 2618 aluminum for superior strength and durability
• High compression pistons improve power and torque across entire rpm range
• Big bore pistons increase engine's displacement, torque and peak horsepower
• Replacement 2-stroke piston rings sold individually; 4-stroke piston rings sold as a set
• Diameter (MM) - 87.95 (3.00)