Honda XR400 XR 400EX 89mm 89 440 Big Bore Top End Rebuild Kit Cylinder Wiseco RZR PRO XP 4 offering a complete solution for

offering a complete solution for your engine overhaul

A: Viton material provides superior resistance to high temperatures

Black Diamond Stainless Steel Valve

Backed by a lifetime replacement warranty*

Scrambler 850 (2014–2020)

Honda XR400 XR 400EX 89mm 89 440 Big Bore Top End Rebuild Kit Cylinder Wiseco RZR PRO XP 4 offering a complete solution for4667M08900, 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 BPRATV Complete 440cc 89mm Big Bore Top End Rebuild Kit! Honda TRX400EX & TRX400X Years 1999 2000 2001