MSD Ignition 8515 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 With 194/230/250/292 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: 5.30 lbs Vehicle Type: Distributor Fitment: 1976/GMC/Sprint/SP Standard Cab Pickup 2-Door/4.1L 250Cu. In. l6 GAS OHV Naturally Aspirated::Not Legal For Use Or Sale On Pollution Controlled Vehicles^^1976/GMC/Sprint/Sierra Madre Del Sur Standard Cab Pickup 2-Door/4.1L 250Cu. In. l6 GAS OHV Naturally Aspirated::Not Legal For Use Or Sale On Pollution Controlled Vehicles^^1976/GMC/Sprint/Classic Standard Cab Pickup 2-Door/4.1L 2...