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Mopar 8-3/4” Street Gears, 489 Case
Category: Ring & Pinion Sets
Part Number(s): Mopar 8-3/4”, 8620, 489 Case
Fits 489 case, 1.875" dia. pinion stem, 10 spline pinion. These Gears are manufactured from 8620 alloy and used primarily for street, oval track, and lightweight drag racing applications.
$234.09 - $273.90
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8 3/4 Mopar Installation Kit for 1 7/8" Pinion
Part Number(s):  83-1031
For 489 case with 1-7/8” Pinion. Includes pinion depth shims, crush sleeve, pinion nut and washer, pinion seal, spool bearings (with 2.00” bore), pinion bearings, ring gear bolts, gear marking compound and gasket.
Price: $167.67