Hard to find original pair of brass ac caps for your correct restoration. These are the R12 style from the factory pieces.

Keywords: 1969 69 1970 70 1971 71 1972 72 Chevelle Nova Camaro Impala Monte Carlo El Camino Super Sport SS Rally Sport RS Z-28 COPO L-78 LS-6 SS454 SS396 427 302 350 SS-396 SS-454 L78 LS6 LS5 LS-5 L34 L-34 LT-1 LT1 SS427 SS-427 1968 68