Earls AN Port Plug - Allen Head - AT981310ERL performance-exhaust-mufflers 8 V10 2011 - 2013

8 V10 2011 - 2013 Ford F-550 Super Duty XLT 415/6

3 V6 1988 GMC K1500 262/4

6 V8 1982 - 1986 GMC C2500 Suburban 305/5 V8 1978 - 1987 GMC Caballero 305/5 V8 1978 - 1979 GMC Caballero 350/5

and must be replaced when installing a new mount

5L V8 1968 - 1969 GMC K15/K1500 Pickup   396/6

Earls AN Port Plug - Allen Head - AT981310ERL performance-exhaust-mufflers 8 V10 2011 - 2013Overview: These new AN port plugs feature a slim, modern lightweight design with an internal Allen head hex. The design of these plugs is more attractive than traditional port plugs, and they are available in blue or black anodized finish. Made from 2024 Aluminum. The 3 AN to 6 AN sized plugs are available in pairs and the larger sizes are sold individually. Features: Modern Lightweight AN Port Plugs Material: 2024 Aluminum Finish: Blue to Black