Top End Kit Hc 99.95/Std 11.0:1 Yam

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:
Yamaha YFM660FG Grizzly 4WD [IRS] 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