Earls AN Port Plug - Allen Head - AT581303ERL superchips Retain the performance of factory

Retain the performance of factory coil-on-cover ignition without the unsightly styling

check out part# 817470

4L V8 1987 - 1989 GMC R3500   454/7

8 V10 2010 Ford F-350 Super Duty Cabela's 391/6

Earls AN Port Plug - Allen Head - AT581303ERL superchips Retain the performance of factoryOverview: 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