If you currently have a black brake switch on the powermaster, you may change it out to this original grey switch. GE also made the original ones which have since been discontinued. Sold individually.
1984-85 Buick Grand National Aluminum Vacuum Block - Mounts On Throttle Body
NEW Stock Car Products Grand National rear 5x5 hubs w/ races & studs pair NASCAR
Genuine Walbro 255lph HP Fuel Pump Kit Grand National Corvette Camaro Firebird
1986 87 Buick Regal Grand National Turbo Block Plate Turbo 6
Buick Regal Grand National Disc Drum Proportioning Valve 1978 1988 G-Body
1986 1987 Grand National 1/2" SHORTER Serpentine Belt