External Voltage RegulatorFits Select 1962-1972 GM Models w/63 Amp AlternatorOriginal Delco Remy MarkingsSold Individually Fitment Notes: Fits models with original 63 amp external voltage regulator only 1969-1972 Chevy Blazer1967-1972 Chevy Camaro1962-1968 Chevy Nova II1969-1972 Chevy Nova1962-1972 Chevy Impala1962-1966 Chevy Suburban1962-1972 Chevy Truck1970-1972 GMC Jimmy1962-1966 GMC Suburban1962-1972 GMC Truck1967-1972 Pontiac Firebird