This is a Vintage Air Ford 272-312 cid Y Block A/C Compressor and Alternator bracket kit.
Please Note it requires a 3 groove crankshaft pulley or 2 groove add on pulley part number VA730004.
This is a simple and economical solutions to get your Y Block Ford powered vehicle A/C compressor mounted in a simple way. It mounts a optional Sanden A/C compressor down low on the passengers side of your engine. It is made from steel plate and then welded together to mount your A/C compressor and alternator.