Namura NA-10003-2K Top End Repair Kit +0.50mm Oversize (85.47mm Piston) TRX400EX

Part Number: NA-10003-2K
Piston Size: 85.47 mm  (For 85.50mm Bore)
Oversize: +0.5 mm

Fits:
Honda XR400R 1996-2004
Honda TRX400EX Sportrax 1999-2014