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Vehicle Info NeededMOTIVE GEARPART NUMBER: 683-GM9-370
Ring & Pinion Gears GM 7.75" Borg Warner 9-Bolt Rear
$32341
Ships on 09/16/2026
Lowest Price GuaranteeGM 7.75" Borg Warner Style 9-Bolt Rear
- Ring & Pinion Gears
- GM 7.75" Borg Warner 9-Bolt Rear
- Ratio: 3.70
- Diameter: 7.75"
- 8-7/16" x 20 LH Threaded Bolts
- Pinion Diameter: 1.376" 27 Splines
- Cases: 3.07-Up
- 8620 Material
- Heat Treated
- 1986-93 Camaro/Trans Am
- 1985-93 Firebird
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 Height5.3
Package Width11.2
Package Length15.1
Weight13.33 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Ring Gear Material8620 Steel
Ring Gear Diameter7.75 in (196.9 mm)
Ring Gear Tooth Quantity37
Pinion Shaft Diameter1.376 in (35 mm)
Pinion Gear Tooth Quantity10
Axle TypeGM 8.5 in.
Ring Gear Bolt Quantity8
Part FitmentSemi Universal
Cover Bolt Quantity9
Pinion Spline Count27
Vendor Part NumberGM9-370
Package Qty1
Package TypeEA
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