R45TS AC Delco ignition spark plug with resistor. Ships in AC Delco box. Sold individually.
Specifications:
Gap Size: 0.044"
Hex Size: 5/8"
Manufacturer Heat Range: 5
Approximate Resistor Value: 2-12k ohms
Seat Type: Tapered
Reach: 0.43"
Fits the following Buick vehicles:
Centurion 1971-73
Electra 1968-90
Estate Wagon 1970-85
LeSabre 1968-91
Riviera 1968-91
Wildcat 1968-70