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GM 8.875" 12-Bolt
- Ring & Pinion Gear
- Ratio: 4.88
- Teeth: 39-8
Specifications: - RG Diameter: 8.875"
- (12) 3/8" x 24 RH Threaded Bolts
- Pinion Diameter: 1.625"
- 30-Spline
- Cases: 3.90 & Numerically Lower / 4.10 & Numerically Higher
- 8620 Material - Heat Treated
OEM-Quality Ring and Pinions
Motive Gear Ring & Pinion Gears are the differential's critical point of power transfer and one of the easiest performance modifications to complete on a vehicle. Motive's high-quality Ring & Pinion Gears are made from 8620 steel for superior strength and come in a range of ratios, making them excellent factory replacements for both on-street and off-road vehicles.
Part TypeRing and Pinion
Product LineMotive Gear Ring & Pinion Gears
BrandMOTIVE GEAR
Package Height5.8
Package Width11.3
Package Length15.3
Weight15.02 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Ring Gear Tooth Quantity39
Differential Carrier Break3.90 and Higher
Cover Bolt Quantity12
Pinion Spline Count30
Ring Gear Material8620 Steel
Ring Gear Diameter8.875 in (225.4 mm)
Pinion Shaft Diameter1.625 in (41.3 mm)
Pinion Gear Tooth Quantity8
Axle TypeGM 8.875 in.
Ring Gear Bolt Quantity12
Part FitmentSemi Universal
Vendor Part NumberG888488
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
