What is the bolt Patter on a 1978 Oldsmobile Cutlass Supreme stock rim?
Rear wheel drive Cutlass was 5 X 4 3/4
Bolt pattern is 4 3/4". Same as any G- body car like yours (78-87 cutlass, regal, elcamino, grand prix,etc,). The pattern is common with many GM cars. If you need any advise or parts for a '78 Cutlass, call GM Sports 408-432-9488. www.gmsports.com
The answers above are both correct 5x4.75 with a Low offset. Adam W. Admin. at RimHelp.com
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