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Chassis reference

FIA-homologated 1963 Cobra final-drive matrix

rear axle · factory

Salisbury Differential summarized from reviewed FIA, museum, Registry, manufacturer, and chassis-specific records. 1963 Shelby Cobra

Reference Details

Availability
factory
Limited-slip
Yes
Notes
FIA Form No. 115 identifies a Salisbury limited-slip differential, a 3.77:1 final drive with 13/49 tooth count, and six alternative ratios for the homologated 1963 Cobra program. This competition-homologation matrix does not identify the delivered ratio, assembly, or component dates of an individual road or race chassis.
Ratio
3.77:1 homologated; 3.07, 3.31, 3.54, 4.09, 4.27, and 4.55 alternatives
Type
rear axle

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation