The 2 port valve fits 1971-1972 Buicks utilizing the vacuum valves shown in the picture with a 350/455 c.i.d engine size. Please Select it from the drop down menu above.
The 3 port valve fits 1971-1972 Buicks, Chevrolet & Oldsmobiles utilizing the vacuum valves shown in the picture with a 350/455 c.i.d engine size. Please Select it from the drop down menu above.
We also carry the connector pigtail with resistor, this can be purchased by clicking here: JC#103-053-B