Mr.Gasket Pressure Plate Bolts ensure safety and strength with ultra-seal bolts for your pressure plate. They are heat-treated to grade 8 specifications for strength and black plated to resist rust and corrosion. These Borg-Bec/Diaphragm style bolts have the diameter of 3/8"-16 x 1" and are sold six per set. These fasteners play a key role in both the performance and safety of a vehicle. The kit is complete with lock washers.