-3/8-18 NPTF-, V8, with factory gauges & aftermarket intake manifold which has a smaller sending... see more-3/8-18 NPTF-, V8, with factory gauges & aftermarket intake manifold which has a smaller sending unit hole (correct resistance and connection, produces accurate gauge display)
-ALTDI-, with factory gauges (Requires use of 2 of #00147682 Fuse: Ammeter) Note: Modified for... see more-ALTDI-, with factory gauges (Requires use of 2 of #00147682 Fuse: Ammeter) Note: Modified for driver 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