MSD 6M3L Marine Ignition Box BR20082 1983-1986 Pontiac Bonneville

1983-1986 Pontiac Bonneville

1987-1996 Chevrolet Blazer

These panels are CNC-machined and are from 1/4 inch to 1/2 inch thick

60 Durometer

1-3/4 in Tube Mount

MSD 6M3L Marine Ignition Box BR20082 1983-1986 Pontiac BonnevilleUL Certified Shift interrupt feature eases shifting MSD's smoothest rev limiter yet, protecting parts and saving your engine Records highest RPM the engine turned for last 20 minutes of run time Easy setup of features with three rotary dials on the face of the unit Built in Start Retard adjustable in 0, 10 or 20 increments for quick, easy starts and extend starter life LED display shows rev limit, highest RMP turned, cylinder select, start retard,