Namura .040 Over Bore Piston Kit for Polaris 400 2-Stroke ATV (1994–2003)

Namura .040 Over Bore Piston Kit for Polaris 400 2-Stroke ATV (1994–2003)

Includes:
1 x Namura .040 over bore piston kit (Polaris 400 2-Stroke)

Fits Models:
Polaris 400 2-Stroke ATVs

Model Years:
1994–2003

Submodels:
Sportsman 400, Scrambler 400, Trail Boss 400

Engine Options:
2-Stroke 400cc

Description:
Namura .040 over bore piston kit restores compression and performance for Polaris 400 2-Stroke ATVs from 1994–2003. Kit includes piston, rings, wrist pin, and circlips for a complete rebuild, improving reliability and power delivery.

Features:
- Designed for Polaris 400 2-Stroke (1994–2003)
- .040 over bore for restored compression
- Includes piston, rings, wrist pin, and clips

Namura piston kit, Polaris 400, 2-stroke, overbore, 1994 2003, engine rebuild, ATV parts