New Moog leaf spring shackle bushings.  These are stock replacement rubber style bushings.  This package contains a total of 2 pairs (4 bushings), which means it will repair 1 shackle OR uppers on both frame rails OR rear lowers on both leaf spring.  You will need to order 2 sets to repair both complete shackles (4 sets of 8 bushings).  Fits the following:

70-81 Firebird Trans Am
70-81 Camaro