(MCC317) Chrome Big Block Chevy Timing Cover   Specifications for (MCC317)    Material : Chrome steel , triple plated Copper / Nickel / Chrome, Thickness : The steel used to make these items is .040 thousands thick Seal : Takes O.E.M. (stock) type crankshaft seal Gaskets : This item does not come with the gasket any quality gasket set for your engine will work with this item   Installation tips : Be sure to sure to tighten any part to the proper torque spec and in a cross style pattern