99-04 400EX Rebuilt Motor Engine Assembly 87mm Big Bore Ported Assembled Head Motion Pro Smooth Operation: Robust HD timing

Smooth Operation: Robust HD timing chain and valve stem seals ensure smooth and reliable engine operation

these rods will deliver unmatched strength and reliability

Rev up your ride with the Hotcams Stage 1 Camshaft Upgrade Kit

**Products we sell:  We stock the exact same parts from different companies so that when back orders occur we have an alternate part to send that is the same quality

99-04 400EX Rebuilt Motor Engine Assembly 87mm Big Bore Ported Assembled Head Motion Pro Smooth Operation: Robust HD timingCOMPLETE BUILT BIG BORE MOTOR! Used core bottom end with all BRAND NEW parts listed below 87mm big bore cylinder 87mm Wiseco forged piston Piston rings Wrist pin Circlips Hotrods crankshaft assembly Ported and polished cylinder head assembled with Kibblewhite valves, springs, Stage 2 Hotcam, rocker arms, shafts, keepers, and seals Crank bearings Crank balancer bearings Transmission bearings Clutch roller and needle bearings HD clutch kit Oil pump K&N