Specifications：High-concerned chemical:None：Origin:Mainland China：Material:aluminum：LSX LS3 Engine Swap Conversion A/C Line Compressor Adapter Fitting：If you are doing an LSX engine swap and are looking for a way to make some custom A/C lines then this is your answer. Made from billet aluminum this adapter block fitting has the correct fitting for an LS3 A/C compressor and then does a 90 degree turn and goes to 2 male A/C line fittings (3/4-16 and 7/8-14).：NOTE: The size of the 2 nipples that go into the compressor are .457" & .690", also the mounting holes is counter bored for additional clearance and accepts an M8x1.25 hex head flanged bolt.：Package included: ：1X Adapter Fitting as shown：Note： ：Please allow a little difference due to manual measurement. ：We take no responsibility in teaching you how to install. Professional installation is strongly recommended. No instruction is Included.