Keep the A/C blowing cool in your C3 with our 1973 Big Block Corvette Air Conditioning Compressor Hose Assembly. This is a direct replacement hose assembly fits all 1973 Corvettes with 454 engine and A6 style Compressor. Hose assembly features correct aluminum manifold to mount to the back of your A6 compressor along with modern crimped on vapor barrier hose, suitable for R12 and R134 refrigerant.