Chassis reference

M20 four-speed example axle

rear axle · factory

12-Bolt Rear Axle reference for the 1968 Beaumont SD 396 1968 Beaumont SD 396

Reference Details

Availability: factory
Limited-slip: No
Notes: Documented original ratio on the registry feature car; its present 3.73 gears are disclosed as a change.
Ratio: 3.31:1
Type: rear axle

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1968 Beaumont

Beaumont was a separate General Motors of Canada make, not a Pontiac model.