PRECISION SPARK ELECTRONIC IGNITION Fits Ford 2N 8N 9NOne New Aftermarket Replacement Electronic Ignition Module Conversion Kit that Fits Ford New Holland Tractor Models: 2000, 4000 (4 Cylinder 62 64), 501, 500 Series, 501 Series, 600, 600 Series, 601, 601 Series, 700, 700 Series, 701, 701 Series, 800, 800 Series, 801, 801 Series, 8N (SN: SN863244>,with side mount distributor), 2N, 9N, 900, 900 Series, 901, NAA (Jubilee) Converts mechanical ignition to electronic type. 12v negative ( ) or 6 volt systems