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: 94.93mm Oversize: Standard Number of Rings: 3 Replacement Rings: 950XSY Replacement Wrist Pin: WP009 Replacement Circlip: CW22 Fits: Yamaha TT600 1984-1988 1991-1994 TT600E BELGARDA E/START 1996-1998 TT600R 1997 1999-2004 XT600 1984-1987 1989-1996 1998-2002 XT600E 2004