Regular price $304.99


Please note

Instore availability may vary to online availability. Please contact us to confirm instore availability.

All online orders are shipped from a north island warehouse with delivery expected in 1-3 working days to non-rural locations.

Kits Contents

  • Piston: WO8938DB - WOSSNER PISTON HON CRF250R 16-17 76.76MM HC PRO
  • Top End Gasket Set: GSHT810285 - WHITES GASKET SET TOP HON CRF250R 10-16

Wossner Piston

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.


  • 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


  • Piston Size: 76.76mm
  • Oversize: +0.01mm
  • Wossner Compression: 14.80:1
  • OEM Compression: 13.80:1
  • Number of Rings: 2
  • Replacement Rings: RIK76.80
  • Replacement Wrist Pin: WP113DLC
  • Replacement Circlip: CW16

Whites Top End Gasket Set

Includes 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