This Pertronix Ignitor (R) Electronic Ignition Conversion is used with 4 cylinder engines with Delco 1112443, 1112455, 1112458, 1112474, 1112490, 1112635, 1112637, 1112642, 1112643, 1112644, 1112648, 1112665, 1112671, 1112673, 1112677, 1112684 and 1112693 .
