Wiseco Performance Oversized Piston Kit

• These kits contain everything you need to complete your piston repair, the first time
• High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
• Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
• All Piston Kits are precision crafted and forged in the USA

Wiseco’s Piston Kits are offered for nearly every popular application in the powersports market. These kits contain everything you need to complete your piston repair, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. 2-stroke kits feature our Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life. 4-stroke kits feature a race-ready dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wiseco’s Armor Glide skirt coating to provide reduced friction and noise to contribute to increased horsepower. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Super-bike, and more.

Product Details

Items Included

8550XX – 85.50MM RING SET
CW20 – 20mm Round Wire Locks – Set of Two
Ring – Set
S520 – PistonPin 20mm x 2.362″ NonChromed TW

Fitments

2018Yamaha YFM450F Kodiak
2014Yamaha YFM450F Grizzly
2013Yamaha YFM450F Grizzly
2012Yamaha YFM450F Grizzly
2011Yamaha YFM450F Grizzly
2010Yamaha YFM450F Grizzly
2009Yamaha YFM450F Grizzly
2008Yamaha YFM450F Grizzly
2010YamahaYFM450F Wolverine
2009YamahaYFM450F Wolverine
2008YamahaYFM450F Wolverine
2007YamahaYFM450F Wolverine
2006YamahaYFM450F Wolverine
2009YamahaYXR450 Rhino
2008YamahaYXR450 Rhino
2007YamahaYXR450 Rhino
2006Yamaha YXR450 Rhino
2006Yamaha YFM450F Kodiak
2005Yamaha YFM450F Kodiak
2004Yamaha YFM450F Kodiak
2003Yamaha YFM450F Kodiak