FYI we no longer sell race fuel.
PREMIUM RING & PINION 8 3/4" 89 HOUSING 3.55-1 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