Seller notes

This is a new L.A. Sleeve piston + gasket kit for the PRO-X (PRO CROSS) cylinder ATC-250R 85-86, TRX-250R 87-89 BIG BORE to 310cc, 2-Stroke. The kit is supplied with the big bore oversize 73.00mm size forged piston, rings, wrist pin, clips, bearing along with the Top End O-ring Gasket kit. The standard bore size for the ATC-295R to TRX-310R is 72.00mm. This piston kit is the +.040", 4th oversize bore to fit a 73.00mm bore. FIRST THING TO DO: CHECK YOUR BORE SIZE BEFORE ORDERING!! This kit is for...

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