-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
bulkhead connector to transistor ignition auxiliary harness, with Over The Counter Transistor Ignition Systembulkhead connector to transistor ignition auxiliary harness, with Over The Counter Transistor Ignition System