Earls -6 AN Male to 7/16-20 (AN4) O-ring Port - AT985064ERL y-pipe 5 V8 1970 - 1973

5 V8 1970 - 1973 Buick Estate Wagon   455/7

Muffler Body Material: Aluminized steel

3 V6 1989 - 1992 Oldsmobile Cutlass Cruiser 204/3

4L V8 1991 - 1992 Chevrolet C1500 454 SS 454/7

Earls -6 AN Male to 7/16-20 (AN4) O-ring Port - AT985064ERL y-pipe 5 V8 1970 - 1973Overview: Ideal for use on fuel pumps, fuel filters & regulators that use O Ring Port Fittings. Features: Made in the USA Available for Any Plumbing Situation And Many Custom Applications Application: Year Make Model Submodel Engine Size Universal Specs: Adapter AN Size ( A ) 6 AN MALE Adapter Port Size ( B ) 7 16 20 (AN 4) Adapter Type AN Port Adapter Brand Earls Emission Code 5 Finish Anodized Black Material 2024 Aluminum Product Line Premium