High tensile 3/8" bolt 1.3125" long, to hold the standard calipers to the hub on disc brake models. Correct length shank and material. T grade 62 ton rating with vickers 287 reading-25-32 rockwell. The ERA turbo used Metro 4 pot calipers and used special nylon coated safety locking bolts
ERA1128.
Sold singly, 2 required per caliper and 4 per car.