Piston Kit 97.98mm

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Features: 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 alu minum 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 Fitment Yamaha YZ450F 2010 Yamaha YZ450F 2011 Yamaha YZ450F 2012 Yamaha YZ450F 2013 Show more