Froged Piston KIT A 95.00 mm Bore. STD. Compression 11.9:1
Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips.

- ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.
Replacements parts. PROX RING SET 02.6429

KTM 450 EXC-R (2008-2011),

PROX 01.6429.B