DoctorDiff Drivetrain

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Dana 60 Helical Type Sure-Grip ("Sure-Trac")
$595.00
DoctorDiff Sure-Trac is a fully machined, forged steel Dana 60 posi which operates similar to an Eaton True-Trac
In stock
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1350 to 7260 Conversion U-Joint
$50.00
Hard to find combination U-joint mates a standard, small 7260 Mopar driveshaft to a large, heavy duty Spicer type 1350 (U-bolt) yoke. 
In stock
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8 3/4" Ring and Pinion
$195.00
741 (10 spline), 3.23, DoctorDiff Gear

8 3/4" ring and pinions for 741, 742, or 489 cases. Various ratios.

In stock
 
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8 3/4" or Dana 60 Pinion Yoke Repair Sleeve
$15.00
Repair sleeve fits 10 or 29 spline Mopar 8.75" and Dana 60 pinion yokes. 
In stock
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Free shipping
QA1 Carbon Fiber 1350 Driveshaft Assembly
$1,630.00
3" Street/Strip (U1699)

QA1 JJC-AC0320 performance driveshafts are built with 3.2" diameter carbon fiber tubing, wound in-house with a resin specifically designed for high performance applications

In stock
 
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7290 Transmission Slip Yoke
$85.00

Cast iron 7290 slip yoke fits Mopar 727 automatics and 29/30 spline A833 4 speed transmissions.

In stock
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8 3/4" Inner Axle Seal
$4.00
Premium quality inner axle seal fits OEM '65-'74 8.75" housings
In stock
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8 1/4" Bearing Rebuild Kit
$100.00

Mopar 8.25", 8 1/4", 8 3/8" Bearing Rebuild Kit

In stock
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8 1/4" Ring and Pinion
$195.00
Mopar 8.25", 8 1/4", 8 3/8" Ring and Pinion
In stock
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