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Piston Kit

Original price was: $224.95.Current price is: $199.95.

4939M08450 11:1 Piston 84.5mm

In stock

SKU: 4939M08450WIS Category:

Description

  • Pistons come without gasket kit


Wiseco Yamaha YFM450 Grizzly/Rhin/Kod/Wolverine 111 Piston Kit


Piston Kit
Racing Choice Pistons are 1 ring, 2-Stroke or 2 ring, 4-Stroke with reduced weight and friction as well as increased power and throttle response. Note that service intervals may be increased over conventional Wiseco Pistons.. . 2-Stroke Pro-Lite Pistons feature lightweight forging for instant throttle response and maximum torque. Computer engineered piston skirt profiles provide minimal cylinder wall friction. Anti-detonation grooves and new ring land diameter eliminates ring blow-by while maximizing engine performance. Piston kit includes pistons, rings, wrist pins and circlips. Note that oversize requires cylinder sleeving and top end bearing is not included in kits.. . 4-Stroke Pistons feature dedicated forging for lightweight and superior strength. Race-ready dome design provides improved combustion flow and armor glide skirt coating provides reduced friction (racing applications only). Piston kit includes piston, rings, wrist pin and circlips. Note that oversize requires cylinder sleeving..
4939M08450 made by Wiseco

Additional information

Weight 1.00 lbs
Dimensions 4.00 × 3.80 × 3.80 in

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Make Model Engine Year
Yamaha ATV / SxS YFM450 Grizzly 450 2013
Yamaha ATV / SxS YFM450 Grizzly Auto 450 2012 - 2014
Yamaha ATV / SxS YFM450 Grizzly Auto 4x4 450 2007 - 2008
Yamaha ATV / SxS YFM450 Grizzly Auto 4x4 450 2011
Yamaha ATV / SxS YFM450 Grizzly Auto 4x4 IRS 450 2009 - 2010
Yamaha ATV / SxS YFM450 Grizzly Auto EPS 450 2011 - 2012
Yamaha ATV / SxS YFM450 Grizzly EPS 450 2013 - 2014
Yamaha ATV / SxS YFM450 Kodiak Auto 4x4 416 2004 - 2006
Yamaha ATV / SxS YFM450 Kodiak Auto 4x4 416 2018
Yamaha ATV / SxS YFM450 Kodiak Auto 4x4 416 2020 - 2021
Yamaha ATV / SxS YFM450 Kodiak Auto 4x4 489 2003
Yamaha ATV / SxS YFM450 Kodiak Auto 4x4 EPS 416 2018
Yamaha ATV / SxS YFM450 Kodiak Auto 4x4 EPS 416 2020 - 2021
Yamaha ATV / SxS YFM450 Kodiak EPS SE 4x4 421 2020 - 2021
Yamaha ATV / SxS YFM450FX Wolverine 4x4 450 2006 - 2008
Yamaha ATV / SxS YFM450FX Wolverine Auto 4x4 450 2009 - 2010
Yamaha ATV / SxS YXR450 Rhino Auto 4x4 450 2006 - 2009
Yamaha ATV / SxS YXR450 Rhino Auto 4x4 Special Ed. 450 2008