-O.E.M. made in U.S.A. using original GM tooling-, Rally Sport (includes ground wire, rubber boot... see more-O.E.M. made in U.S.A. using original GM tooling-, Rally Sport (includes ground wire, rubber boot on switch button, and weather proofed as original, 4 required per car)
simple plug-in conversion allows use of a 1973-85 SI series, internally regulated alternator in place... see moresimple plug-in conversion allows use of a 1973-85 SI series, internally regulated alternator in place of the original externally regulated alternator