Wossner 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.Features In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation 4-stroke pistons are made using a double-bridged forging design Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine All pistons include piston, ring, wrist pin and pin locks Wossner pistons are used by leading Supercross, Arenacross and MX GP teams Made in Germany Specifications Piston Size: 46.95mm Oversize: Standard Number of Rings: 1 Replacement Rings: RSV4700 Replacement Wrist Pin: WP058 Replacement Circlip: CW14 Replacement Needle Bearing: N1006 Fits: Husqvarna TC85 Big Wheel 2014-2017 TC85 Small Wheel 2014-2016 2018 KTM 85 SX (Big Wheel) 2003-2004 2006-2009 2011-2017 2019-2022 85 SX (Small Wheel) 2003-2020