The
GM replacement caliper bolts have a built in
shoulder to eliminate the stock spacer. The heads
are machined for a 5/8" socket rather than
an allen head. The hardened versions will take
more abuse without bending than the standard
bolts.
337B
Standard GM - 2 per pack
337BH
Hardened GM - 2 per pack
Superlite style caliper
attach to the car with these 2-1/4" long
7/16-20 grade 8 shoulder bolts.
