-3/8-18 NPTF-, all V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder... see more-3/8-18 NPTF-, all 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)
Dash Harness to override switch located under steering column, adapter leads allow use of a... see moreDash Harness to override switch located under steering column, adapter leads allow use of a 1970-72 switch (2 vertically mounted flat male-type terminals on switch