![02-'08 for Yamaha YFM660FG Grizzly 4WD [IRS] Piston Kit 100.97/+1.00 9.2:1 Yam Micropolished stem for smoother finish](https://cdn.shopify.com/s/files/1/0851/4404/3841/products/225408353358-0.jpg?v=1704723319)
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Micropolished stem for smoother finish and less friction resulting in improved performance
Strongest you can buy
and other extreme Enduro events
durability and luxurious feel
02-'08 for Yamaha YFM660FG Grizzly 4WD [IRS] Piston Kit 100.97/+1.00 9.2:1 Yam Micropolished stem for smoother finishManufacturer: Namura MPN: NA 40004 4 Title: Piston Kit Size: 0. 04 Option: Color: NAMURA PISTONS. * All Namura pistons have Molybdenium Teflon skirt coatings that minimize resistance and wear to provide extended life. * All Namura pistons have anodized domes that provide superior heat resistance. * All Namura pistons have super high silicone content for additional strength. * All Namura pistons have premium world class rings. * Rings will fit OEM
