Wossner 2-Stroke Ringset - 40.00mm Tyre Size_MU85-16 Octane Booster is suitable for

Octane Booster is suitable for both 4-stroke and 2-stroke petrol engines and is safe for use in combination with catalytic converters and tuned engines

Lightweight - less than 400g

Outside Length: 7in (178mm)

Uses your original handlebar top clamp

The centre groove securesstraight-line stability

Wossner 2-Stroke Ringset - 40.00mm Tyre Size_MU85-16 Octane Booster is suitable forWossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods, and customer service. Diameter: 40mm Note: This includes ONE Piston Ring and some fitments may require two