BB-Chevy, Pontiac V8: Includes 2 of 1/4''-20 x 1/2'' and 20 of 5/16''-18 x 3/4''


Chrysler V8, Ford 390-428, Buick V6: Includes 20 of 5/16''-18 x 3/4''


Ford 289-302-351W/C, AMC V8: Includes 18 of 1/4''-20 x 1/2'' and 6 of 5/16''-18 x 3/4''


SB-Chevy, 90ΓΈ V6, and Olds V8: Includes 14 of 1/4''-20 x 1/2'' and 4 of 5/16''-18 x 3/4''