Big Bore Kit

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

12100-KCY-670 12191-KCY-672 13011-KCY-670 13101-KCY-670 90601-KA5-000 13111-KCY-670 12251-HN1-003 12391-KCY-671 14560-KCW-851 12100-HN1-A7014711-KCY-670, 14721-KCY-670 14411-KCY-670, 14431-KCY-670, 14445-KF0-000 14446-KF0-000,14751-KCY-670, 14761-KG0-003 14451-MBV-000, 14775-KCY-670 14126-KV2-940. 89mm Wiseco or Wossner forged piston. Talon TITANIUM cylinder stud kit. Hardened steel intake and exhaust valves. Runs on pump or race gas. No case or head mods required. BPRATV - The Best Parts.
Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End

Honda 400EX 400X 89mm Big Bore Kit Valves Springs Stage 2 Hotcam +4 440c Top End