All 9 transmission roller and needle bearings
Prevents oil from entering the combustion chamber
delivering enhanced power and responsiveness for both recreational and competitive riding
Works on all 2005+ Honda 400EX and 400X models
365" Exhaust Seat Pressure 70# Exhaust Open Pressure 203# Exhaust @ Lift 0
TRX400EX XR400R 87mm 416 Big Bore Top End Rebuild Kit Wiseco Cometic Gaskets Kit SKF All 9 transmission roller and1043 2, M2002, M2003, M2001,4606M08700,12100 KCY 670, 4606M08500, C7826, 71016 4, 12191 KCY 673, 30 33750, 13011 KCY 670, 90601 KA5 000, 13103 KCY 670, 13111 KCY 670, 12251 HN1 003, 12209 KL4 005, C7825, 808894, 822278, 4040, 4606M08700, C7826, H0402027S, 4606M08800, 4667M08900, 808829, M2033, 8604DA, Unleash power with this Honda XR400 TRX400EX 400X (All Years) 87mm 416 Big Bore Top End Rebuild Kit! Features BPRATV 87mm cylinder, 10: 1 Wiseco forged