PISTON KIT 06-10 YFM450 85.00, NAMURA NA-40011-2 YAMAHA

Part no 56-W4939.050.NT (phoenixmotos.com)
Namura 85.00mm piston kit
YAMAHA YFM450 Grizzly 06-09
YFM450 Kodiak 06-08

YFM450 Rhino 06-09
YFM450 wolverine 06-09
(Namura part no NA-40011-2)