COMP Cams Crankshaft Socket BB Chevy MAC-VSC-RS The brake cooling holes feature

The brake cooling holes feature almost 9 square inches more area

Swivel Adapter Fitting 8AN To 3/8"NPT Aluminum 90 Degree

Aluminum Drive Flange (two piece crank shaft seal) - 1

External Seams

COMP Cams Crankshaft Socket BB Chevy MAC-VSC-RS The brake cooling holes featureWhen slipped on the end of a crankshaft, these specially designed sockets let you use a 1 2" drive ratchet or breaker bar to rotate the engine assembly. Our sockets also have the unique feature of a provision to hold our degree wheels or any wheel with a 1" or larger center hole. The knurled retaining nut actually sandwiches the degree wheel and holds it in place. This can then be loosened while on the crank snout so that you can turn the degree wheel