MSD Ignition 8363 Pro-Billet Distributor Features: Easy Installation And Provide Powerful Spark Billet Aluminum CNC Machined For Closer Tolerances Provides Accurate Spark Delivery Adjustable Mechanical Advance Vacuum Advance To Help Improve Economy For Use with 368/425/472/500 cu in. Engines CARB Approved Legal For Use In All States Must Be Used With MSD 6/7/8-Series Ignitions Height: 18.00 Width: 7.00 Length: 7.00 Weight: 5.70 lbs Vehicle Type: Distributor Fitment: 1984/Cadillac/Fleetwood/Formal Limousine 4-Door/6.0L 368Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Use Or Sale On Pollution Controlled Vehicles^^1984/Cadillac/Fleetwood/Base Limousine 4-Door/6.0L 368Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Use Or Sale On Pollution Controlled Vehicles^^1983/Cadillac/Fleetwood/Formal Limousine 4-Door/6.0L 368Cu. In. V8 GA...