Automotive replacement gearsets designed to restore accurate final-drive ratios for GM 8.5 and 8.6 axles. Confidence for DIY mechanics and workshop technicians who need dependable fitment and consistent gearing. Is Motive Gear Ring and Pinion GM10-373 the right matched 3.73 ratio choice for your axle?
⚡ At a Glance
- • Gear Accuracy: Engineered gear geometry for consistent meshing and smooth torque transfer
- • Best for: Owners and technicians replacing or upgrading GM 8.5 and 8.6 axle assemblies
- • Not ideal for: Non-GM axles or applications requiring custom, non-standard gear ratios
Lab-tested ring and pinion with a 3.73 ratio for GM 8.5 and 8.6 applications. Manufactured under in-house quality control processes.
Consistent Final Drive - Thanks to 3.73 gear ratio
The 3.73 figure specifies the rotational relationship between ring and pinion, matching factory gearing for compatible GM 8.5 and 8.6 assemblies. That numerical ratio is the basis for final drive behaviour once fitted.
Maintains expected gearing characteristics when installed in matching axles, helping preserve vehicle behaviour after replacement.
Quality Assurance - With in-house lab testing and rigid quality control
Each ring and pinion undergoes the manufacturer's internal quality control procedures and lab checks prior to release, as stated in the product details. Those processes aim to verify gear geometry and consistency.
Reduced likelihood of manufacturing defects leads to more predictable fitment for workshop installation.
Versatile Use - With street and off-road compatibility
Product details specify suitability for street or off-road use, indicating design tolerances intended for varied driving conditions. The listing does not limit applications to a single environment.
Suitable for vehicle owners who use the same axle for daily driving and occasional off-road tasks when correctly matched.
✨ The 4 Key Reasons for Motive Gear Ring and Pinion GM10-373
- GM 8.5/8.6 Fitment - Direct replacement fit reduces modification and simplifies installation process
- 3.73 Gear Ratio - Maintains factory-like rotational relationship for axle consistency and driveline balance
- In-House Quality Control - Repeated testing helps catch defects before shipment to installers
- Street and Off-Road Rating - Suits mixed driving conditions without specialised reconfiguration
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Brand: Motive Gear
- Model: GM10-373 Ring and Pinion
- Product ID: B001CQMGD0
- Compatible Axles: GM 8.5" and 8.6"
❓ Frequently Asked Questions
Q: Is this ring and pinion compatible with GM 8.5 and 8.6 axles?
A: Yes, the listing identifies compatibility with GM 8.5" and 8.6" axle assemblies, as reflected in the model name and description.
Q: Can it be used for off-road applications?
A: Yes, the product description specifically lists street or off-road use, indicating suitability for both driving conditions.
Q: Do international versions differ from local listings?
A: International products may have separate terms and can differ in fit, age ratings, labelling or instructions, according to the product details.
🏆 Our Verdict
Ideal for technicians and vehicle owners who need a matched 3.73 ring and pinion for GM 8.5 and 8.6 axles. In-house lab testing and stated street/off-road suitability underline manufacturing attention and intended fitment. Considerable long-term value when correct fitment reduces the need for repeat replacements.
