8 3/4" Premium Ring & Pinion Set 3.73-1 (BPEYGC8.89-373)

PREMIUM RING & PINION 8 3/4" 89 HOUSING 3.73-1 RATIO

Comes with fine spline pinion Stem. Premium Quality helps assure lack of Noise if set up properly.  Used in all 8 3/4" differentials ending in casting numbers "....489". All 489 Ring and pinions have a 1 7/8" Pinion Stem Diameter at base of Pinion

use #C8/MOKITT Master Bearing & Shim Kit