Aluminum fittings allow to run braided stainless lines to your TPI intake. These fittings convert from 3/8 and 5/16 Saginaw on your fuel rail to -6 AN.

Fitment
85-92 305 TPI Camaros and Firebirds
87-92 350 TPI Camaros and Firebirds
85-88 350 TPI Corvette (will not fit 89-91 Corvette fuel rail inlet)