-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)
-ALTPI-, Standard, V8, with warning lights Note: Modified for passenger side 1985 and earlier SI... see more-ALTPI-, Standard, V8, with warning lights Note: Modified for passenger side 1985 and earlier SI series internally regulated alternator, if using a 1984-99 CS external fan series internally regulated alternator you must also purchase part #VAK6986CS ALTERNATOR CONVERSION HARNESS
-original 1/2 x 14 N.P.T.F.-, with factory console gauges (correct resistance and connection, produces accurate... see more-original 1/2 x 14 N.P.T.F.-, with factory console gauges (correct resistance and connection, produces accurate gauge display)