NEVER BUY HEAD BOLTS AGAIN! 400EX HEAD STUDS kit uses the highest quality materials to protect your motor.304 case hardened stainless steel studsPrecision CNC machinedAllen drive stud headsARP chromoly 12 point flange nutsStainless washersThis stud kit comes with a warranty against breaking or stri..
COMPLETE 400EX XR400 400X Top End Bottom End Complete Motor Engine Rebuild Crank Cylinder
NEW 85mm Cylinder
85mm CP JE or Wiseco forged piston
Hotrods heavy duty crank with rod
Heavy duty crank bearingsMAXLOCK head stud kit
Complete seal kit
Complete gasket set
Cam chainClutch kitI..
CHECK IT OUT! This ALL NEW 400EX 440cc big bore engine rebuild kit is what you need. This 400EX motor upgrade has cylinder, Hotrods crank, CP piston, etc. It includes:
NEW 89mm Cylinder
89mm CP JE or Wiseco forged pistonHi temp piston ringsDLC coated pinClips
Hotrods heavy duty crank with r..
The best 400EX top end rebuild kit is right here! Included are:85mm cylinderJE or Wiseco forged pistonHi temp piston ringsDLC coated wrist pinCirclipsCometic top end gasket kitTiming chainMAXLOCK Case hardened HD head stud kitAll BP Racing ATV motor kits come with installation instructions and our ..