.040 Over Bore Piston Rings / 101mm / Namura for Yamaha 660 Raptor Grizzly Rhino

Namura 040 Over Bore Piston Rings 101mm for Yamaha 660 (Raptor/Grizzly/Rhino)

Includes:
- 1 x piston ring set

Fits Models:
- Yamaha

Model Years:
- (omit if not available)

Submodels:
- Raptor
- Grizzly
- Rhino

Engine Options:
- 660cc 4-stroke

Description:
High-precision Namura 040 over-bore rings (101mm) designed for Yamaha 660cc motors. Improves compression, sealing, and longevity across Raptor, Grizzly, and Rhino models. Ideal for rebuilds or performance maintenance.

Features:
- 040 over-bore rings, 101mm size
- Specifically designed for Yamaha 660 engines
- Compatible with Raptor, Grizzly, Rhino variants
- Enhances sealing, compression, and durability

piston rings, Namura, 101mm, Yamaha 660, Raptor, Grizzly, Rhino, overbore, engine rebuild