Please confirm your old parts info before ordering.. We are glad to answer any questions you may have.. FOR DELCO 10 DN ALTERNATORS USED FROM 1963 -1972 CONTAINS: POSITIVE POST NEGATIVE POST INSULATORS WASHERS NUTS App PONTIAC Auto and Light Truck GTO 1964 3.5L(215) L6 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1964 5.3L(326) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1964 6.4L(389) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1965 5.3L(326) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1965 6.4L(389) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1966 5.3L(326) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1966 6.4L(389) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1967 5.3L(326) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1967 6.6L(400) V8 Alternator UNIT ADR0243 7111 App PONTIAC Auto and Light Truck GTO 1968 6.6L(400) V8 Alternator UNIT ADR0243 7111 1 ,