-3/8-18 NPTF-, V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder heads... see more-3/8-18 NPTF-, V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder heads which have a smaller sending unit hole (correct resistance and connection, produces accurate gauge display)
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