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Vertex Top End Kit - Standard Bore 94.96mm, 12:1 Compression ATV - UTV - VTKTC22984B-1

All pistons are heat treated with a T-5 hardening and tempering cycle. All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life. Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston. Forged pistons are forged from 2618 aluminum for superior strength and durability. Forged High Compression pistons improve power and torque across entire rpm range. Big Bore pistons increase engines displacement, torque, and peak horsepower. Forged Replica pistons are forged OE replacements. Replica pistons and all rings are Stock replacements. Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing when applicable. Replacement two-stroke piston rings sold individually; four-stroke piston rings sold as a set.
MFR Item No. VTKTC22984B-1
Alternate SKUs 0910-3844,  823128,  VTKTC22984B-1,  903177

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This item will fit the following machines
2009 Yamaha YFZ450R - ATV
2009 Yamaha YFZ450R SE - ATV
2010 Yamaha YFZ450R - ATV
2010 Yamaha YFZ450R SE - ATV
2010 Yamaha YFZ450X - ATV
2010 Yamaha YFZ450X Bill Balance - ATV
2011 Yamaha YFZ450R - ATV
2011 Yamaha YFZ450R SE - ATV
2011 Yamaha YFZ450X - ATV
2011 Yamaha YFZ450X SE - ATV
2012 Yamaha YFZ450R - ATV
2012 Yamaha YFZ450R SE - ATV
2013 Yamaha YFZ450R - ATV
2013 Yamaha YFZ450R SE - ATV
2014 Yamaha YFZ450R - ATV
2014 Yamaha YFZ450R SE - ATV
2015 Yamaha YFZ450R - ATV
2015 Yamaha YFZ450R SE - ATV
2016 Yamaha YFZ450R - ATV
2016 Yamaha YFZ450R SE - ATV