Skip to content
NOTICE: DUE TO HIGH ORDER VOLUME, CURRENT HANDLING TIME IS 5-7 BUSINESS DAYS. OUR TEAM IS WORKING HARD TO PROCESS YOUR ORDERS AS QUICKLY AS POSSIBLE. WE TRULY APPRECIATE YOUR PATIENCE AND UNDERSTANDING. 🙏
NOTICE: DUE TO HIGH ORDER VOLUME, CURRENT HANDLING TIME IS 5-7 BUSINESS DAYS. OUR TEAM IS WORKING HARD TO PROCESS YOUR ORDERS AS QUICKLY AS POSSIBLE. WE TRULY APPRECIATE YOUR PATIENCE AND UNDERSTANDING. 🙏
TRX 400EX 400X XR 89 mil Big Bore Kit +4 Cylinder Hi Comp Top End Rebuild Hotcam

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

by BPRATV
Save 12% Save 12%
$649.99
$649.99 - $649.99
$649.99
$569.99
$569.99 - $569.99
$569.99
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