05-17 CRF450X CRF 450X 96mm 12.5 CP Piston Cylinder Cometic Top End Rebuild Kit BSA Rocket III The difference will be obvious

The difference will be obvious once you hit the throttle

85mm stock bore cylinder

UPC NO: 191070081188

2006-2009 YZ450F

Open bearing design for easy maintenance

05-17 CRF450X CRF 450X 96mm 12.5 CP Piston Cylinder Cometic Top End Rebuild Kit BSA Rocket III The difference will be obvious10008, 1024 2, M2009, C3134, HC92RH2015112,14110 MEY 670,91003 KF0 008,MX 09172 1, M2054, C3156, 10008, M2009, C3076, 810276,247616, 13101 MEN 730, 12100 MEY 671, 12100 MEY 670, 12191 MEY 671, 13011 MEB 670, 14401 MEB 671, 13111 MEN 730, 13112 MAT 000, 14401 MEB 671, 1024 2, 14110 MEN 670, 91003 KF0 008, HC92RH2015112, 4822M09600, 8668DA, C3047, C3139, 12100 MEB 670, 12191 MEB 671, 12251 MEB 671, 13101 MEB 670, 13011 MEB 670, 12209 GB4 682, 12209 KL4