Product details:

Owners have the choice between hot rods heavy duty oe replacement crankshafts or hot rods heavy duty stroker crankshaftskits feature everything needed to complete crankshaft installation including hot rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for complete engine rebuild"stroker kits" crankshaft assemblies add to the length as listed depending on application; in some cases cylinder head must be modified (as noted)note: kits do not include water pump seal.