-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
starter motor to coil, distributor, & transistor ignition auxiliary harness,starter motor to coil, distributor, & transistor ignition auxiliary harness,