Professional Billet Aluminum A/C Compressor Hose Adapter Fitting for GM Gen V L86/L82/L83 Engine Swaps Upgrade your engine swap project with this high-quality billet aluminum A/C compressor conversion adapter fitting. Designed specifically for GM Gen V L86, L82, and L83 engines, this adapter ensures a seamless and reliable connection for your A/C system during engine conversions. Key Features: Crafted from premium billet aluminum for superior strength, durability, and corrosion resistance. Features a 90-degree design with two male A/C line fittings: #8 (3/4-16) and #10 (7/8-14). .