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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Smooth Operation: Robust HD timing chain and valve stem seals ensure smooth and reliable engine operation
The warranty does not cover any failure that is a result of improper installation
BPRATV Titanium Head Stud Kit with a Lifetime Warranty* (Cylinder Bolts are Discontinued by Polaris)
Aftermarket cylinder head with valve cover
Clutch Bearings
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
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