ICT Billet Spark Plug Port Plug - 14 mm x 1.25 Thread (Set of 8) RS00500301 Mild to stock exterior exhaust

Mild to stock exterior exhaust tone

With 4 mounting tabs on the ring that have been moved farther inboard to provide a more solid mounting surface

Duration 287 / 299

1979-1981 GMC C3500

ICT Billet Spark Plug Port Plug - 14 mm x 1.25 Thread (Set of 8) RS00500301 Mild to stock exterior exhaustProduct Description: Spark Plug Port Plug Hex Head 14 mm x 1. 25 Thread Aluminum Natural Set of 8 ICT Billet helps take the guesswork out of LS engine swap projects. With both individual components and complete vehicle specific kits, their line of American made solutions covers everything from mounting brackets and oil pans to valve covers and wiring harnesses, all designed to help make LS and LT engine swaps easier, whether it's into a classic Bel