MSD Ignition Ready-To-Run Distributor Features: Maintenance Free Magnetic Pickup Simple And Clean 3 Wire Installation Built-In Ignition Module Delivers A Hot Spark Easy To Adjust Mechanical Advance Assembly Vacuum Advance To Help Improve Economy For Use With 322/364/401/425 cu. in. Engines Come Complete And Ready-To-Run CARB Approved Legal For Use In All States Height: 18.00 Width: 7.00 Length: 7.00 Weight: 6.00 lbs Vehicle Type: 2717 Fitment: 1966/Buick/Wildcat/Gran Sport/7.0L 425Cu. In. V8 GAS Naturally Aspirated^^1966/Buick/Wildcat/Gran Sport/6.6L 401Cu. In. V8 GAS Naturally Aspirated^^1966/Buick/Wildcat/Custom/7.0L 425Cu. In. V8 GAS Naturally Aspirated^^1966/Buick/Wildcat/Custom/6.6L 401Cu. In. V8 GAS Naturally Aspirated^^1966/Buick/Wildcat/Base/7.0L 6966CC 425Cu. In. V8 GAS OHV Naturally Aspirated^^1966/Buick/Wildcat/Base/6.6L 657...