Kits Contents Piston: WO8169DA - WOSSNER PISTON KTM SX250 05> / EXC250 06> 66.34MM Top End Gasket Set: GSKTM80603 - WHITES GSKT SET TOP KTM SX250/EXC250/EXC300 '17 Little End Bearing: WON1020 - WOSSNER NEEDLE BEARING 18X22X19.8 Wossner PistonWossner 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: 66.34mm Oversize: Standard Replacement Rings: RSB6640 Replacement Wrist Pin: WP033 Replacement Circlip: CW18 Replacement Needle Bearing: N1020 Whites Top End Gasket SetIncludes all gaskets and o-rings necessary to complete a piston (top end) rebuild. Competitive pricing, made to meet and exceed OEM quality and designed as a direct OEM replacement the Whites Complete Gasket Set is your one-stop shop for engine rebuilds. Designed for OEM replacement Made from high-quality materials Meet or exceed OEM specifications Competitive pricing