For 6 Cyl. Models W/ 12 Volt Negative Ground Systems Or 6 Volt Systems Converted To 12 Volt Negative Ground Systems Only. Dim A (1): Never Change Points Again Dim B (2): Easy Installation No Complicated Wiring Fits Entirely Inside Distributor. Dim C (3): Increases Spark Plug Life Horsepower Improves Fuel Economy Dim D (4): Precision Engineered Solid State Elecronics Dim E (5): For Holly Distributors 2562-1 7563-1 69498; White/ Oliver/ Mpl Moline Tractor 1650 (W/ Holly Distributor #'S 2562-1 7563-1 1655 (W/ Holly Distributor #'S 2562-1 7563-1 1750 (W/ Holly Distributor #'S 2562-1 7563-1
