My Cart



Athena S4F08200003A Piston Kit (280cc Big Bore) (A) - 4.00mm Oversize to 81.95mm, 13.1:1 Compression


***Please note, this item will take an additional 4 business days to process before it ships and you receive tracking information.***

Bore: 81.95mm
Compression: 13.1:1 Compression
Sizing: 4.00mm Oversize

All pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm.
Forged piston kits are available in A, B and C sizing.
Forged piston tooling allows for the lightest available product.
Kits include antiwear coated piston, rings, pin and circlip.
Made in Germany.

Honda CRF250R 2004-2009
Honda CRF250X 2004-2009

Please Note: