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Wiseco Piston Kit for 2007-14 Yamaha YFM450F Grizzly - Bored to 85.50mm - 4939M08550

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Wiseco Piston Kit for 2007-14 Yamaha YFM450F Grizzly - Bored to 85.50mm - 4939M08550

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 Line Wiseco Piston Kit
Part Number 4939M08550
Fitment Type Model-Size Specific Fitment
Use Type Aftermarket Performance Replacement
Unit Sale Qty Kit
Style
Position
Material ALUMINUM ALLOY / FORGED
Finish
Piston/Cylinder Size 85.50 mm
Piston Size Added 1.00 mm
Cylinder Stroke Volume 75.00 mm
Final Engine Displacement 431 cc
California Emissions FALSE
Product Disclaimer You MUST measure the size of your cylinder BEFORE ORDERING. Damage/Return of a piston due to ordering the wrong size will not be accepted.
Fitment Note
Fitment Note
Fitment Note
Fitment Note
Fitment Note

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

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

$55.65

Original: $159.00

-65%
Wiseco Piston Kit for 2007-14 Yamaha YFM450F Grizzly - Bored to 85.50mm - 4939M08550

$159.00

$55.65

Product Information

Shipping & Returns

Description

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 Line Wiseco Piston Kit
Part Number 4939M08550
Fitment Type Model-Size Specific Fitment
Use Type Aftermarket Performance Replacement
Unit Sale Qty Kit
Style
Position
Material ALUMINUM ALLOY / FORGED
Finish
Piston/Cylinder Size 85.50 mm
Piston Size Added 1.00 mm
Cylinder Stroke Volume 75.00 mm
Final Engine Displacement 431 cc
California Emissions FALSE
Product Disclaimer You MUST measure the size of your cylinder BEFORE ORDERING. Damage/Return of a piston due to ordering the wrong size will not be accepted.
Fitment Note
Fitment Note
Fitment Note
Fitment Note
Fitment Note

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

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

Wiseco Piston Kit for 2007-14 Yamaha YFM450F Grizzly - Bored to 85.50mm - 4939M08550 | SVS PowerSports