Namura 87.9mm Standard Bore Piston Rings for Polaris Sportsman 450 400 Ranger

Namura 87.9mm Piston Ring Set for Polaris Sportsman 450/400/Ranger

Includes:
- 1 x Namura 87.9mm Standard Bore Piston Ring Set

Fits Models:
- Polaris Sportsman

Model Years:
- (omit if not available)

Submodels:
- Sportsman 450, Sportsman 400, Ranger

Engine Options:
- 450cc, 400cc

Description:
Premium Namura standard bore piston ring set designed for Polaris Sportsman 450, 400, and Ranger models. Restores compression, seals oil control, and maintains optimal engine performance with proper bore clearance and durability.

Features:
- Specifically engineered for 87.9mm bore
- Improves compression and oil control
- Compatible with Sportsman 450/400 and Ranger variants

Namura piston rings, 87.9mm, Polaris, Sportsman 450, Sportsman 400, Ranger, engine rebuild, standard bore, OEM replacement, ATV parts