Wossner Piston KTM 250 SX '19-'22 66.34mm Single Ring

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and has 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.
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine.
• Wossner pistons are used by leading Supercross Arenacross and MXGP teams.
• Made in Germany.

Specifications:

• Pe rformance: 12 degree dome head
• Piston Size: 66.34mm
• Oversize: 0mm (Graded size A)
• Nominal Bore Size: 66.4mm
• Stroke: 72mm
• Compression Height: 38mm
• Number of Rings: 1
• Replacement Rings: RSB6640
• Replacement Wrist Pin: WP033
• Replacement Circlip: CW18
• Replacement Needle Bearing: N1020

Note:

• Wossner Piston Kits include the Piston Wrist Pin Circlips and Ring(s). Needle Bearings are not included.
• This Wossner Piston Kit is intended to be used with aftermarket heads that have been developed for the 12-degree concept.