UF40250 Electronic Ignition Conversion Kit---Replaces EF4P6

Fits: 8N side distributor, NAA, 600, 701, 501, 601, 701, 800, 900, 801, 901, 2000 4 cyl, 4000 4 cyl

For tractors 1950 to 1964 with 6 volt positive ground system.