-reproduction-, V8, cars built before May 5, 1971 (mounts to coil bracket, connects to positive... see more-reproduction-, V8, cars built before May 5, 1971 (mounts to coil bracket, connects to positive post on coil)
-original 1/2 x 14 N.P.T.F.-, with factory gauges (correct resistance and connection, produces accurate gauge... see more-original 1/2 x 14 N.P.T.F.-, with factory gauges (correct resistance and connection, produces accurate gauge display)