Skip to content
SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!
SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

99-04 400EX 88mm Big Bore Rebuild Kit Top Bottom End Motor Engine Repair Redo

by BPRATV
Save 6% Save 6%
Original price $1,799.99
Original price $1,799.99 - Original price $1,799.99
Original price $1,799.99
Current price $1,699.99
$1,699.99 - $1,699.99
Current price $1,699.99
  • Works on all '99-04 Honda 400EX models
  • 88mm big bore cylinder
  • 88mm 10:1 big bore Wiseco or Wossner forged piston
  • Nitrite-coated piston rings
  • Chrome wrist pin
  • Circlips
  • Cylinder head with valve cover
  • HD crankshaft assembly with rod
  • Crank bearings
  • Crank balancer bearings
  • Transmission bearings
  • Clutch bearings
  • Shift cam bearings
  • Camshaft bearings
  • Stage 2 replacement camshaft
  • HD cam chain
  • Cam chain guides
  • Black billet cam chain tensioner
  • Complete gasket kit
  • Cometic big bore MLS head gasket
  • Seal kit
  • Clutch kit
  • Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
  • NGK spark plug
  • No case or head mods required
  • Runs on pump or race gas
  • 1-year warranty all new parts*

 

 More payment options

Compare products

0 of 3 items selected

Select first item to compare

Select second item to compare

Select third item to compare

Compare