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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
High strength composite and stainless steel construction
For use with OEM valves
Our incredibly strong design is CNC machined from a solid block of 6061-T6 aircraft aluminum
2009 Honda CRF230M
2014-2016 Honda CRF250R
Athena P400485100032 Big Bore Cylinder Kit (290cc) - 6.00mm Oversize to 83.00mm, 12.7:1 Compression helmets-offroad-helmets High strength composite and stainlessKits include aluminum cylinder with nickel carbide coating designed with larger water jackets. Includes Forged piston, rings, clips and pin. Athena top end gasket set includes required seals and hardware. Easy to follow step by step installation instructions. Most are bolt on; no machining required except where noted. Vehicle Fitment: 2008 2017 Yamaha WR250R 2008 2011 Yamaha WR250X
US$ 18.00
US$ 10.80
US$ 19.16
