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Vehicle Info NeededYUKON GEARPART NUMBER: 807-YGGM8.5390
Ring & Pinion Gear Set GM 8.5"/8.6"
$52029
Ships on 09/14/2026
Lowest Price GuaranteeGM 8.500 in./8.600 in.
- Ring & Pinion Gear Set
- GM 8.5"/8.6"
- Ring Gear Diameter: 8.5"
- 30-Spline Pinion
- 10 Ring Gear Bolts
- 3.90 Ratio
Compatible with the following Differentials: - GM 8.5" Front - 28 Spline
- GM 8.5" Front - 30 Spline
- GM 8.5" Rear - 28 Spline
- GM 8.5" Rear - 30 Spline
- GM 8.6" Rear, '09 & up
- GM 8.6" Rear, '99-'08
High-Performance Gear Sets
Yukon Ring & Pinion Gears are made for street, off-road, and race applications and deliver superior performance in the most extreme conditions. Manufactured using the latest technology to meet or exceed OE specifications, these heat-treated gears fit consistently to ensure the strongest, quietest ring and pinion gear sets available.
Part TypeRing and Pinion
Product LineYukon Gear Axle Ring and Pinion Gear Sets
BrandYUKON GEAR
Package Height6.0
Package Width12.0
Package Length16.0
Part CategoryPerformance Parts
PositionRear
Axle TypeGM 8.5 in.
Gear Ratio3.9
Vendor Part NumberYG GM8.5-390
Package Qty1
Package TypeEA
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