MSD Ignition Crank Trigger Distributor Features: Billet Aluminum Housing Large Diameter Cap Wide Spaced Terminals Injection Molded Rynite Rotor Oversized Steel Shaft Easy Adjustable Height Unique Slip Collar Design Must Be Used w/MSD Crank Trigger/Ignition Control Height: 7.00 Width: 18.00 Length: 7.00 Weight: 4.50 lbs Vehicle Type: 2717 Fitment: 1975/GMC/Sprint/SP Standard Cab Pickup 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1975/GMC/Sprint/High Sierra Standard Cab Pickup 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1975/GMC/Sprint/Classic Standard Cab Pickup 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1975/GMC/Sprint/Base Standard Cab Pickup 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1974/GMC/Sprint/Custom/6.6L 6556CC 400Cu. In. V8 GAS OHV Naturally Aspirated^^1974/GMC/Sprint/Custom/6.6L 6...