Richmond Gear 49-0034-1, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
$299.62
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$299.62
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by menesha.co
Free 30-day returns Details
Product details
| Management number | 233718026 | Release Date | 2026/06/27 | List Price | $119.85 | Model Number | 233718026 | ||
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| Category | |||||||||
- 10-Bolt gear set with 3.90 ratio, features 11-tooth pinion and 43-tooth ring gear for optimal performance; precision engineered for GM 8.5"/8.625" axles in both front and rear applications.
- Includes ring gear and pinion gear set with 30 spline pinion shaft, designed for high strength and quiet operation under load; uses carrier for 2.73 & numerically higher ratios.
- Ring gear outside diameter: 8.5 inches; pinion shaft diameter: 1.625"; pinion spline count: 30; 10 ring gear bolt holes for secure installation.
- Includes 1 ring gear and 1 pinion gear; installation kit not included; designed for OE fitment and smooth, quiet operation under load.
- Backed by Richmond Gear's 2-year/100,000-mile warranty; trusted by racing professionals and off-road enthusiasts for consistent performance.
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Differential Rings & Pinions
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