MSD Ignition 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 Use w/290/304/343/360/390/401 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: 5.60 lbs Vehicle Type: 2717 Fitment: 1988/Jeep/J20/Base Standard Cab Pickup 2-Door/5.9L 360Cu. In. V8 GAS OHV Naturally Aspirated^^1988/Jeep/J10/Base Standard Cab Pickup 2-Door/5.9L 360Cu. In. V8 GAS OHV Naturally Aspirated^^1988/Jeep/Grand Wagoneer/Base Sport Utility 2-Door/5.9L 360Cu. In. V8 GAS OHV Naturally Aspirated^^1987/Jeep/J20/Base Standard Cab Pickup 2-Door/5.9L 360Cu. In. V8 GAS OHV Naturally Aspirated^^1987...