This is considered the better "GNX" sensor. I've had 0 luck with those in my personal GN.
1984-85 Buick Grand National Aluminum Vacuum Block - Mounts On Throttle Body
ARP Head Bolt Set 123-3603; Hi-Perf Chromoly Hex Bolt for Buick Grand National
1986-87 Buick Grand National Aluminum Vacuum Block - Mounts On Throttle Body
1985 86 87 Buick Grand National GNX Regal T TYPE Turbo Evaporator EV6516 3058083
ARP Cylinder Head Stud Kit 123-4003; Hex Stud Chromoly for Buick Grand National
Buick Grand National Powermaster Brake Booster complete assembly Core
