Features:
- All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston life
- Forged pistons are forged from 2618 aluminum for superior strength and durability.
- Forged High Compression pistons improve power and torque across entire rpm range.
- All pistons are heat treated with a T-5 hardening and tempering cycle.
- All rings are OEM replacements.
- Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable.
Fitment:
2002 Yamaha YFM660FG Grizzly 4WD [IRS]
2003 Yamaha YFM660FG Grizzly 4WD [IRS]
2004 Yamaha YFM660FG Grizzly 4WD [IRS]
2005 Yamaha YFM660FG Grizzly 4WD [IRS]
2006 Yamaha YFM660FG Grizzly 4WD [IRS]
2007 Yamaha YFM660FG Grizzly 4WD [IRS]
2008 Yamaha YFM660FG Grizzly 4WD [IRS]