-H.E.I.-, V8, without A/C, late production from 3/15/73, with E.G.R. thermostatic vacuum valve system Note:... see more-H.E.I.-, V8, without A/C, late production from 3/15/73, with E.G.R. thermostatic vacuum valve system Note: Modified for use with a GM H.E.I. distributor
-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)