Restored Aluminum Alternator/A-C Compressor Bracket Aluminum alternator/air conditioner compressor bracket. P/N 1231871 is correct for a '70 455, but also fit on my '72 Skylark 350. Grit blasted and painted with Eastwood Alumi-Blast paint, followed by SEM clear satin polyurethane. This natural aluminum-looking finish will continue to look new for many years. No cracks, obvious casting flaws or damage of any kind. $45 + shipping. (Reduced to $40 + shipping) Additional photos available on request. Thanks.