Over Bore Piston Kit 101.5mm for Yamaha 660 Raptor Grizzly Rhino

Over Bore Piston Kit 101.5mm for Yamaha 660 Raptor Grizzly Rhino

Includes:
- 1 x Overbore piston kit 101.5mm

Fits Models:
- Yamaha 660 ATV models

Model Years:
- (omit if not available)

Submodels:
- Raptor 660R, Grizzly 660, Rhino 660

Engine Options:
- 660cc 4-stroke

Description:
Precision overbore kit for high-performance Yamaha 660 engines.
Enhances compression and power output while maintaining fitment.

Features:
- 101.5mm bore for Yamaha 660 engines
- Compatible with Raptor 660R, Grizzly 660, Rhino 660
- Improves torque and top-end power; balances reliability

Yamaha 660, overbore kit, piston, 101.5mm, Raptor 660, Grizzly 660, Rhino 660