Motive Gear GM10-456A Diff. Ring and Pinion 4.56 Ratio 30-Spline 10-Bolt
Product ID: 50216497
🔩30-spline, 10-bolt GM fit
⚙️4.56 gear ratio for torque boost
🛠️Precision-machined 8620 steel
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🚗 Gear up your GM with precision power and unstoppable torque!
The Motive Gear GM10-456A Differential Ring & Pinion Set is a precision-engineered drivetrain upgrade featuring a 4.56 gear ratio and durable 8620 heat-treated steel. Designed for GM 8.5"/8.625" 10-bolt differentials with 30-spline pinion, it offers seamless OE direct fitment across a broad range of Chevrolet, GMC, Cadillac, Buick, Pontiac, Oldsmobile, Hummer, and Isuzu models from 1970 to 2020. This set enhances torque delivery, improves acceleration and towing capacity, reduces noise, and extends differential lifespan—all backed by a 1-year/50,000-mile warranty for peace of mind.
| ASIN | B001P2CI66 |
| Best Sellers Rank | #136,551 in Automotive ( See Top 100 in Automotive ) #12 in Automotive Replacement Differential Rings & Pinions |
| Brand | Motive Gear |
| Customer Reviews | 3.7 3.7 out of 5 stars (31) |
| Date First Available | January 5, 2009 |
| Exterior | Machined |
| Item Weight | 18.26 pounds |
| Item model number | GM10-456A |
| Manufacturer | Motive Gear |
| Manufacturer Part Number | GM10-456A |
| Model | Motive Gear GM10-456A Differential Ring and Pinion |
| OEM Part Number | GM10-456A |
| Product Dimensions | 15.5 x 11 x 5.25 inches |
A**N
Great quality
Super impressed with this gear set. I usually only use AAM gears for rebuilds but they don't offer a 4.56 that I needed for my personal truck. I gave this inexpensive set a shot expecting it to give me trouble setting it up and or noisy. Much to my surprise, it setup perfect first try with the original .037" pinion shim. With the backlash at .007" the pattern looked good and it's as quiet as can be.
G**.
Sent USED GEARs
I got used gears that were installed and showed signs of wear. Prepared a whole weekend to do the task and it got ruined
M**A
Loud
Look to be Ok quality, they do what they’re supposed to do but they are extremely noisy. I guess you get what you pay for. I highly recommend going with a more expensive brand. Would not buy again
D**H
Used gear set!
Don’t purchase from this seller! I received a used ring and pinion gear set that was cleaned sprayed and repackaged as new! Cost me a ton in parts and labor! Will not set up correctly within spec not worth the money for a refund in 30 days! I purchased another set from another vendor. Don’t waste your money on these guys!
K**G
Not impressed
Less than 500 miles after install I opened up the rear end housing to retorque the ring gear bolts and discovered 2 of the teeth had broken off.
D**N
Sent used gears
Sent used gears that were re packaged
Trustpilot
3 weeks ago
1 week ago