Frezon Motorcycle Piston Pin Ring Set JOG90 Bore Size Ø50.5mm Fit for Yamaha Jog 90 91-97 Axis 90 1990-1997

Manufactured using the latest computerized technology derived from GP and F1. Forged pistons are heat resistant and last longer than cast pistons These pistons have an additional piston skirt . Piston set comes with rings, bolts and clips Airtight feature prevents gas leakage from the top of the piston. This piston ring also provides heat dissipation Prevents excess from entering the combustion chamber and lubricates the cylinder wall completely. Please choose the best piston ring for your engine as it maintains the direction of movement This kit includes a piston, ring, wrist pin and circlip. Professional installation is highly recommended. Installation instructions not included

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