Classic Muscle
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Chassis reference

Hypoid heavy-duty 9-inch ring gear, 31-spline shaft, Traction-Lok differential

rear axle · standard

Source-document visual for 1969 Boss 429 evidence that documents the Ford 9-inch rear axle path; not an axle photograph. 1969 Ford Mustang Boss 429

Reference Details

Availability
standard
Limited-slip
Yes
Ratio
3.91:1 standard
Type
rear axle

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation