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.

TRX 400EX 400X XR 89 mil Big Bore Kit +4 Cylinder Hi Comp Top End Rebuild Hotcam

by BPRATV
Save 8% Save 8%
Original price $649.99
Original price $649.99 - Original price $649.99
Original price $649.99
Current price $599.99
$599.99 - $599.99
Current price $599.99
FITS ALL HONDA 400EX 400X XR400 MODELS AND YEARS

  • NEW aftermarket 89mm big bore cylinder
  • Wiseco or CP forged piston**
  • The piston is hi comp RACE GAS ONLY version
  • Nitrite-coated piston rings
  • Chrome wrist pin
  • Circlips
  • Stage 2 Hotcam
  • Camshaft bearings
  • Maxlock 4135 heat-treated alloy steel or Talon Titanium head stud kit - LIFETIME WARRANTY*!
  • Cometic top-end gasket kit
  • MLS head gasket
  • Timing chain
  • Kibblewhite Viton valve stem seals
  • Stickers
  • Runs on pump or race gas
  • Fits all models and years with no mods required

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