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Richmond Gear 49-0050-1 High Performance Ring and Pinion for GM 8.5" O Axle in 3.90 Gear Ratio, Requires 2.93 to 3.23 Ratio Carrier, Compatible with Oldsmobile 442 '64-71', Pontiac GTO '65-71'
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US$189.99 cheaper than the new price!!
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Used US$126.66
Product details
| Management number | 212858159 | Release Date | 2026/04/12 | List Price | US$126.66 | Model Number | 212858159 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- High-Performance Gear Ratio: The Richmond Gear 49-0050-1 ring and pinion set delivers exceptional performance with a 3.90 gear ratio, designed specifically for GM 8.5" O Axles and compatible with vintage Oldsmobile 442 ('64-'71) and Pontiac GTO ('65-'71) models.
- Precise Fit and Compatibility: Requires a 2.93 to 3.23 ratio carrier, features a 12-bolt cover design, 10-ring gear bolts, and a pinion shaft diameter of 1.626 inches, ensuring a seamless fit for GM 8.5" differential models.
- Enhanced Performance and Efficiency: Standard ring gear rotation with 39-ring gear teeth and 10-pinion gear teeth delivers improved torque transfer, acceleration, and optimal driving performance for rear-wheel-drive applications.
- Durable Construction: Crafted from high-strength 8620 steel, this ring gear ensures long-lasting durability and reliability under high-performance driving conditions, making it perfect for racing or restoration projects.
- Trusted Warranty: Backed by a 2-year or 100,000-mile warranty, the Richmond Gear 49-0050-1 offers peace of mind, ensuring high-quality performance and customer satisfaction.
| Brand | Richmond |
|---|---|
| Model | 49-0050-1 |
| Exterior | Machined |
| Item Weight | 15.38 pounds |
| Manufacturer | Richmond Gear |
| OEM Part Number | 49-0050-1 |
| Item model number | 49-0050-1 |
| Manufacturer Part Number | 49-0050-1 |
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Differential Rings & Pinions
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