Description: Items: Power Pack, CDI Ignition Module, Outboard Engine CDI Power Pack Fitments: Fits for Johnson Evinrude 4HP to 60HP 1977-1984 2 cylinder engines with no RPM limit Replaces part numbers: 113 2453, 581649, 583380, 583453, 581924, 581926, 581927, 582452, 582453 Material: Made of high grade Plastic material, durable, not easy to deform. Replacement: Directly replace the old or damaged Unit Specification: Material: Plastic Size: 123mm/4.84inch Fittings: Fit for Johnson Evinrude 4HP 1977-1984 Fit for Johnson Evinrude 4.5 HP 1980-1983 Fit for Johnson Evinrude 6 HP 1977-1984 Fit for Johnson Evinrude 7.5 HP 1980-1983 Fit for Johnson Evinrude 8 HP 1984 Fit for Johnson Evinrude 9.9 HP 1977-1984 Fit for Johnson Evinrude 15 HP 1977-1984 Fit for Johnson Evinrude 25 HP 1977-1984 Fit for Johnson Evinrude 30 HP 1984 Fit for Johnson Evinrude 35 HP 1977-1984 Fit for Johnson Evinrude 40 HP 1984 Fit for Johnson Evinrude 50 HP 1979-1984 Fit for Johnson Evinrude 55 HP 1979-1983 Fit for Johnson Evinrude 60 HP 1980-1984 Package Includes: 1 Piece CDI Power Pack Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping