*** IN STOCK SHIPS TODAY *** 7/16-20 x 1.125" twelve point NAS. These bolts are aircraft quality, made from heat treated steel and are perfect for the racer who wants to use these on there blower pulley/crank hub when the 3/8 bolts are not strong enough.
The bolt has the proper .400" shoulder length for a blower pulley and has a 1/2" 12 point head.