GASCAP - Studebaker - 63-85 - Stude OEM 1558091 - Stant Brand #11810 (Similar  looking to original cap) (May 2002)
LCKGCAP - LCKGP Locking gas cap Stant  #11491 Rex # 253 Nonlocking gas cap Stant #11623 (not original appearance) Stant # G-40 - similar to Avanti 
LCKGCAP - LCKGP - Locking gas cap Stant  #11491 Rex # 253 
LCKGCAP - NLCKGP - Nonlocking gas cap Stant #11623 (not original appearance) Stant # G-40 - similar to Avanti
LCKGCAP - LCKGP - 63 - 84 Avanti (all)        Gas Cap                 Ac2225      Dole	DGL 91	Stant	G 91 Locking Type
LCKGCAP - GCAP - 63 - 64 Avanti  R1 / R2  Gas Cap                 1558091     Dole DGS 23A	Stant	G 20 Stant*  G 23 * ICC Type
LCKGCAP - GCAP - 63 - 64 Avanti R3 / R4  Gas Cap                 1563219     Dole	DGS 23A   Stant G 20 Stant*	G 23 *ICC Type