*** IN STOCK SHIPS TODAY *** 3/8-16" heat treated twelve point bolt. These bolts are made from heat treated steel and are grade 8 specs. They are black oxide coated and are only designed to work with RCD's heavy duty blower belt side guard or mount the RCD Hemi dry sump oil pump to the engine block.
Bolt uses a .375" wrench head and is 4.750" under the head with 3.250" of shoulder and a 1.00" of coarse thread.