Camaro Chevelle Nova Firebird Impala GTO, transmission crossmember to frame mounting bolts and nuts. These boats are unique to this application very hard to find shorter length than regular intake manifold bolts with a very shallow recessed head A headmarking. Excellent condition. 3 sets available each set contains 4 bolts + 4 nuts. ALL 3 SETS SOLD $80 a set shipped to the lower 48 ALL 3 SETS SOLD