-3/8-18 NPTF-, V8, Chevrolet small block, with factory console gauges & aftermarket or 1981-up cylinder... see more-3/8-18 NPTF-, V8, Chevrolet small block, with factory console gauges & aftermarket or 1981-up cylinder heads which have a smaller sending unit hole (correct resistance and connection, produces accurate gauge display)
factory tachometer, Allows addition of a factory tachometer. This may eliminate having to purchase a... see morefactory tachometer, Allows addition of a factory tachometer. This may eliminate having to purchase a new Dash Harness.