-original 1/2 x 14 N.P.T.F.-, with factory gauges/Rally Gauges (correct resistance and connection, produces accurate... see more-original 1/2 x 14 N.P.T.F.-, with factory gauges/Rally Gauges (correct resistance and connection, produces accurate gauge display)
simple plug-in conversion allows use of a 1970-85 SI series, internally regulated alternator in place... see moresimple plug-in conversion allows use of a 1970-85 SI series, internally regulated alternator in place of the original externally regulated alternator