This is a grade 8 stainless steel exhaust manifold kit for mounting stock manifolds to the heads on your AMC V-8 engine. These bolts are stronger than grade 8 stainless steel and are 3/8 x 1 3/4″ long. These bolts are rated at 170,000 psi. We also include a set of our custom washers to protect your coated headers.
IF YOU HAVE THE 4- 3/8 AND 8- 5/16 BOLT CONFIGURATION, LET US KNOW AT THE TIME OF PAYMENT. IF WE DON’T HEAR FROM YOU, WE WILL SEND THE 12- 3/8 BOLT KIT.