-original 1/2 x 14 N.P.T.F.-, Grand Prix, with factory gauges/Rally Gauges (correct resistance and connection,... see more-original 1/2 x 14 N.P.T.F.-, Grand Prix, with factory gauges/Rally Gauges (correct resistance and connection, produces accurate gauge display)
-O.E.M. replacement made in U.S.A.-, Fullsize, with externally regulated 63 amp alternator-O.E.M. replacement made in U.S.A.-, Fullsize, with externally regulated 63 amp alternator