PISTON KIT 06-11 YFM700 HC 103, WISECO 4903M10300 RAPTOR

Part no 56-W4903+100_WI (phoenixmotos.com)
Wiseco 103mm High comp piston kit
Application
YAMAHA
YFM700R Raptor (11:1 comp)

YFM700 Grizzly 06-11
Wiseco part no 4903M10300