New OEM valve cover bolts with NL on head. These were used on all Ram Air IV, H/O , and Super Duty engines. Bolts have a 5/16? head by 18 thread, and are 21/32? long. These reproduction valve cover bolts are for use on all...
Chevrolet Engine Dress-Up Set; Big Block; Tall Profile Valve Covers; T-Bolts; Chrome
Dress up your Big Block Chevrolet engine in brilliant show quality polished chrome with this engine dress up set. Includes the basic components needed to make your engines appearance shine! Features tall profile valve covers....