63-79 Differential

$2,196.00 – $2,548.00

All our differentials come with new ring and pinions, a GM cover, Timken bearings, seals, and an Eaton clutch pack. Duntov is now exclusively using the 11/41 3.73 ratio ring and pinion sets in place of the 10/37 3.70 ratio because the 11-tooth pinion is stronger and quieter than the 10-tooth. They are shipped complete with fill plug, and are guaranteed to perform perfectly under normal conditions and use for three years. Note: UPS won’t let us fill them with oil, so they are shipped with NO OIL.

Differential Add Ons

Add REM Treatment

REM treatment is a physicochemical process that uses high density, non abrasive ceramic media and vibratory finishing equipment to achieve an almost mirror like finish. The process removes microscopic surface asperities that are inherent in any machining process. The resultant part looks like it is chrome plated, but nothing is added to the part’s surface.

Product price: $2,196.00
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Description

Our remanufactured differentials are sold with no core charge. We will ship freight free within the Continental US in a reusable heavy-duty box. You can use the box to send in your old differential, or you can keep it.

If the exterior of your differential appears OK, and there are no apparent defects, its total core value would fall between $100 and $400. See the core value menu for details. The freight back on your old unit is your responsibility.

Duntov is now exclusively using the 11/41 3.73 ratio ring and pinion sets in place of the 10/37 3.70 ratio because the 11-tooth pinion is stronger and quieter than the 10-tooth.

All our differentials come with new ring and pinions, a GM cover, Timken bearings, seals, and an Eaton clutch pack. They are shipped complete with fill plug, and are guaranteed to perform perfectly under normal conditions and use for three years. Note: UPS won’t let us fill them with oil, so they are shipped with NO OIL.

Remember, No Core Charge, and No Freight

Note: BE SURE TO SPECIFY MODEL YEAR, PINION FLANGE SIZE AND THREADED OR U-BOLT STUB AXLES

Additional information

Year Model

1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979
Gear Ratio

3.08, 3.36, 3.55, 3.70, 3.90, 4.11, 4.33, 4.56
Stub Axles

Threaded, U-Bolt

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