Mopar 8 3/4″ 3.91 Standard Gear – 489 Case Motive Performance Gear – Produced in Italy

Standard Gears are the perfect choice for replacement of OEM gear sets Providing long service life in Street, Street / Track, & Oval track vehicles These gears can also be used in some Drag Race cars depending on weight & power If tooth breakage occurs, then a larger rear end will become necessary Designed For 489 Casting Machined From 8620 Forged Steel Heat Treated to Maximize Gear Life Matched Ring & Pinion Set Ring Gear – 8.75″ OD – Tooth count 43 – 12 bolt holes – 3/8″-24 LH threads Pinion – 29 spline shaft – Tooth count 11 -…