PISTON KIT FORGED REPLICA KTM/GAS/HUS 87.97

• Complete standard bore kits
• Complete standard bore high compression kits
• Complete Big Bore Kits
• Includes cylinder, piston kit and gaskets
• Top end gasket kit does not include valve stem seals
• Matched with vertex pistons to ensure longevity, performance and reduce engine noise
• Replacement piston, gaskets, and ring sets available
• Cylinder looks just like stock
• Nickel silicon carbide plated for longer life
• No machine work needed *
• Replacement cylinder for standard bore only

* Honda CRF250R and CRF250X require slight case modification. Kit comes with instructions.

‡Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)

+ Yamaha YZ85 cylinder head modification required.

# Yamaha YZ85 cylinder head modification required, AND +2mm strocker crank required.

• All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
• Cast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
• Forged Replica pistons are forged from 2618 aluminum for superior strength and durability
• Forged High Compression pistons improve power and torque across entire rpm range
• Forged Big Bore pistons increase engine’s displacement, torque, and peak horsepower
• Forged Replica pistons are forged OE replacements
• All pistons are heat treated with a T-5 hardening and tempering cycle
• Replica pistons and all rings are OEM replacements
• Kits include piston, rings, wrist pin and circlips
• Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)
• Four-stroke piston rings sold as a set