SR20 t25 oil feed adaptor?
 

Does anyone know what size oil feed adapter I need for a SR20 T25? I know it's an inverted flare of some sort. It's going to be converted to 4an.

7/16-24 I.F. (inverted flare) to -3 or -4 AN fitting.

Search on 591932 here - AN PLUMBING.COM Earls performance products, Hose ends Hose,Adapters, fittings

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You can get it at ATP Turbo.