5-Pack Bolt Kit, 12-Point Head Black Oxide AR643-1500 Product:7/16" UNC x 1.500" UHL With 7/16" Socket Head They feature super flat gasket

They feature super flat gasket rails that ensure no leaks and offer a superior seal for supreme vacuum retention

and particular application

750" Exclusive 12-point head Patented design Heat-treated premium grade A 8740 chrome moly steel 190

For rear sump applications use part number AF64-2084BLK

AF607-03BLK

5-Pack Bolt Kit, 12-Point Head Black Oxide AR643-1500 Product:7/16" UNC x 1.500" UHL With 7/16" Socket Head They feature super flat gasket5 Pack Bolt Kit, 12 Point Head Black Oxide 643 1500 AR643 1500 7 16" UNC x 1. 500" UHL With 7 16" Socket Head 12PT BOLTS 7 16" UNC x 1. 50" Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. ARP's specially alloyed stainless steel bolts and heat treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial