kit de piston wossner tt xt sr500 87 43 8505d050 1Diseado y fabricado interno; All Forgings Are Produced in Wssners Company Owned Forger Operation, 4 Stroke Pistons Are Made Using A Double Bridge Design, Lightweight Pistons With The Tightest Piston Wall Wall Clearances in the Industry Give You A quieter Running Engine Compression Ratios Available for 4 Stroke Applications, All Piston Skirts Are Supplies With A Moly Coating to Reduce Friction and Assist in Break in, All Piston Kits Include Piston,