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Chassis reference

Factory Challenger 8 3/4-inch rear-axle service reference

rear axle · factory

Transmission and axle reference for the 1972 Challenger Rallye 1972 Dodge Challenger Rallye

Reference Details

Availability
factory
Limited-slip
Yes
Notes
The November 1972 Chrysler parts catalog identifies Challenger/Barracuda applications for 8 3/4-inch 3.23 conventional and 3.55 Sure-Grip carriers and matching service gear sets. The catalog describes a banjo-style housing with welded cover and ten carrier nuts, carrier casting 2881488 or 2881489 two inches below the yoke, a bolted metal ratio tag, and 29-tooth axle splines. Service applicability does not establish the original assembly or ratio in an individual car.
Ratio
3.23:1 and 3.55:1 Challenger service applications
Type
rear axle

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation