MSD Ignition Pro-Billet Distributor Features: Easy Installation Accepts Factory Connectors High Quality Cap And Rotor With Brass Terminals Provides Accurate Spark Delivery Billet Aluminum Housing Ball Bearing Assembly Guides Oversized Steel Shaft QPQ Coating To Reduce Friction And Corrosion Must Be Used With MSD 6/7/8-Series Ignitions Height: 18.00 Width: 7.00 Length: 7.00 Weight: 5.50 lbs Vehicle Type: 2717 Fitment: 1986/GMC/K3500/Sierra Classic Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution Controlled Vehicles^^1986/GMC/K3500/Sierra Classic Standard Cab Pickup 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution Controlled Vehicles^^1986/GMC/K3500/Sierra Classic Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspi...