07-'14 for Yamaha YFM450FG Grizzly 4WD [IRS] NAMURA Piston Kit 85.45/+1.00 Yam Include a K&N high-flow

Include a K&N high-flow

Ultra-stable foaming properties for maximum effect

45" wide x 2

Must be used with OEM adapter plate or our PART #509-220 offered below

375" Stroke and 10

07-'14 for Yamaha YFM450FG Grizzly 4WD [IRS] NAMURA Piston Kit 85.45/+1.00 Yam Include a K&N high-flowManufacturer: Namura MPN: NA 40011 4 Title: Piston Kit Size: 1. 00mm Option: Color: MOS2 (Teflon Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown