Skip to content
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.

Honda 400EX 400X 88mm +3 Big Bore Kit Stage 2 Cam 426cc Top End Rebuild 2 Hotcam

by BPRATV
Sold out
Original price $1,152.33
Original price $1,152.33 - Original price $1,152.33
Original price $1,152.33
Current price $692.98
$692.98 - $692.98
Current price $692.98

Works on all Honda 400EX, 400X, and XR400R models and years

  • 88mm heavy-duty big bore cylinder
  • 88mm big bore Wiseco or Wossner forged piston
  • Nitrite-coated piston rings
  • Chrome wrist pin
  • Circlips
  • Stage 2 Hotcam
  • SKF cam bearings (both)
  • Cometic big bore top-end gasket kit
  • MLS big bore head gasket
  • Viton Valve Stem Seals
  • Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
  • NGK spark plug
  • HD cam chain conversion
  • No case or head mods required
  • Runs on pump or race gas

1-year warranty on the complete kit for piece of mind

BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
3P-426, 4606M08800, C7826, 1043-2, 12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 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

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare