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⚙️ Upgrade your drive with precision power and pro-grade reliability!
The CHEVY GM 8.5" 10-Bolt Ring and Pinion 4.10/4.11 Ratio Gears & Master Bearing/Install Kit is a premium OEM-spec upgrade crafted from durable 8620 heat-treated alloy steel. It includes a comprehensive installation kit with all necessary bearings, seals, shims, and hardware, designed for stock GM 8.5" 10-bolt carriers. This gear set optimizes torque with its 4.10/4.11 ratio, making it a trusted choice for automotive professionals and enthusiasts seeking reliable, high-performance drivetrain enhancement.
| ASIN | B077RL1QYC |
| Bearing Type | Roller Bearing |
| Best Sellers Rank | #425,256 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Pinion Bearings #27 in Automotive Replacement Automatic Transaxle Bearings #8,633 in Automotive Replacement Drive Train Parts |
| Brand | QP |
| Brand Name | QP |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.3 out of 5 stars 47 Reviews |
| Manufacturer | QP |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Part Number | QP GM8.5-410-MBK |
| Specification Met | Oem |
| UPC | 650181398597 |
T**X
4:11 Gear kit
The 4:11 fits great only issue I had was the bearings was a little too small for the posi unit which was a summit racing brand
A**R
Look great
Just having them installed
V**S
Make sure it is the 8.5!!!!!
It came great and all, packaging was great, the quality seems good. Make sure you verify whether it is a 8.5 or 8.6!!!! Shims matter!!!! I made the mistake of ordering a 8.5 and now I have to fork over 30$ for new shims. Also consider buying more lock-tite if you undo the Ring and Carrier more than once. So far the rebuild process is okay, nothing against the company, we’ll see how it performs this month though!
M**N
Great product
Great value , very well packaged , will buy again
T**S
Only was able to use 2 of the bearings.
It was recommended that I purchased this bearing kit with the posi center section I ordered. It said that it was supposed to be the correct fit for my application, but only 2 of the bearings would fit. It was a complete waste of my money. When I reached out to the company they did nothing for me. I didn’t install any of it myself I took it to a professional shop and had it installed. Only thing that fits properly was the center section or posi.
Trustpilot
2 days ago
2 weeks ago