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Chassis reference

Factory Challenger 8 3/4-inch housing and service reference

rear axle · factory

Transmission and axle reference for the 1973 Challenger Rallye 1973 Dodge Challenger Rallye

Reference Details

Availability
factory
Limited-slip
Yes
Notes
The final 1973 Chrysler parts catalog assigns Challenger/Barracuda housing package 2852882 to the 8 3/4-inch axle and lists its housing length as 56 27/64 inches. It identifies the axle by a banjo-style welded-cover housing, ten carrier-retaining nuts, carrier casting 2881488 or 2881489 embossed two inches below the yoke, 29-tooth axle splines, and a bolted metal ratio tag. Challenger service rows include 2.76 conventional, 3.23 conventional and Sure-Grip, and 3.55 Sure-Grip carriers. Service applicability does not establish the original assembly or ratio in an individual car.
Ratio
2.76:1, 3.23:1, and 3.55:1 Challenger service applications
Type
rear axle

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation