Honda XR400R XR 400EX 89mm 89 440cc Big Bore Top End Rebuild Kit Cylinder Wiseco YFZ450 nor any labor costs are

nor any labor costs are covered

Used OEM cylinder head

Pro-X or Vertex 67mm piston

Grade 5 Titanium Clutch Cover Bolts

The Nikasil plated cylinder and CP Carrillo forged piston kit will drastically boost compression and power

Honda XR400R XR 400EX 89mm 89 440cc Big Bore Top End Rebuild Kit Cylinder Wiseco YFZ450 nor any labor costs are4667M08900, 8604D400, 247612, M2033, 1043 2, M2008, 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, 192258099805 No one else sells more Honda TRX400EX Big Bore Kits (416cc, 426cc, 440cc) built with the best parts in