Vibrant Performance Aluminum Allen Head Plug - 12 mm x 1.50 - Black 111016 50 State Legal for all

50 State Legal for all gas through 2016 Ford Gas D-541-9/Diesel D-541-18 11-UP 6

1964-1980 Oldsmobile Cutlass

Installation Notes: Recommended intake gasket: Edelbrock #7280

Ideal for the rear of a dragster

1969-1976 Pontiac Firebird

Vibrant Performance Aluminum Allen Head Plug - 12 mm x 1.50 - Black 111016 50 State Legal for allVibrant Performance threaded caps and plugs are made from 6061 Aluminum Alloy. They are perfect for preventing leaks and keeping unwanted contaminants and debris from exposed ports and lines. Available in Anodized Black only. Vibrant Performance was established in 1997 to design and produce Exhaust and Induction components for the Sport Compact performance market, which, at the time, was a small but rapidly emerging segment of the high performance