CYLINDER WORKS Forged Piston Kit for Yamaha YFZ450R (2009-2017) and YFZ450X

Upgrade your Yamaha YFZ450R or YZ450X with the CYLINDER WORKS Forged Piston Kit, designed to enhance engine performance and durability. This high-quality piston kit features forged pistons that increase engine displacement, torque, and peak horsepower, making it ideal for serious riders seeking improved power output. Each piston is heat-treated through a T-5 hardening and tempering process, ensuring long-lasting strength and resistance to wear. The kit includes all necessary components—piston, rings, wrist pin, and circlips—making installation straightforward and efficient.
All piston skirts are coated with a high-tech Molybdenum Disulphide coating, which promotes faster break-in times and extends piston life by reducing friction and wear. This advanced coating ensures your engine operates smoothly during initial startup and throughout demanding riding conditions. The pistons are designed to fit models ranging from 2009 to 2017, including the Yamaha YFZ450R and the YFZ450X, providing a perfect upgrade for owners looking to boost performance on their ATV or UTV.
Built for durability and high performance, this piston kit is an essential upgrade for those looking to maximize engine efficiency and reliability. Whether you're building a performance ATV for racing or enhancing your UTV for tough terrain, the CYLINDER WORKS Forged Piston Kit delivers the strength and power needed to handle demanding riding conditions with confidence.

Features:

• All piston skirts are coated with a hi-tech Molybdenum Disulphide coating for faster break-in time and increased piston life

• Forged Big Bore pistons increase engine’s displacement, torque, and peak horsepower

• All pistons are heat treated with a T-5 hardening and tempering cycle

• Includes piston, rings, wrist pin, and circlips for complete installation

Product Type: Piston kits & Components
Segment: ATV/UTV
Division: Engine
Class: Piston Kits & Components
Sub Class: Piston / Piston Kits

FITMENT:
2004 Yamaha YFZ450
2005 Yamaha YFZ450
2006 Yamaha YFZ450
2007 Yamaha YFZ450
2008 Yamaha YFZ450
2009 Yamaha YFZ450
2009 Yamaha YFZ450R
2010 Yamaha YFZ450R
2010 Yamaha YFZ450X
2011 Yamaha YFZ450R
2011 Yamaha YFZ450X
2012 Yamaha YFZ450
2012 Yamaha YFZ450R
2013 Yamaha YFZ450
2013 Yamaha YFZ450R
2014 Yamaha YFZ450R
2015 Yamaha YFZ450R
2016 Yamaha YFZ450R
2017 Yamaha YFZ450R