-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit... see more-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit board inside amplifier box
-H.E.I.-, 6 Cyl., with warning lights Note: Modified for use with a GM H.E.I. distributor-H.E.I.-, 6 Cyl., with warning lights Note: Modified for use with a GM H.E.I. distributor