Notes: Ported Vacuum Switch. Contents: Ported Vacuum Switch. 1970-1974 Buick Electra 7.5L V8. 1968-1969 Buick Electra 7.0L V8. 1975-1976 Buick Electra 7.5L V8. 1976 Buick Electra 5.7L V8. Carefully constructed with brass and high temperature plastic housing to OEM specification for precision fit and performance.