This is the special replacement bolt for our Cast Aluminum Formula Ford 1600 Valve Cover, Part No. 162-31. Four bolts are included with the valve cover; these replacements are sold individually.
Black oxide "Allen"-type socket-head cap screw is 3" long (nominal) with 1 7/8" unthreaded portion and 1/4-20 UNC threads. Does not fit the stock stamped steel cover.