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The Eaton Detroit Truetrac Differential (Part #912A686) is a high-performance, helical-gear limited-slip differential engineered specifically for GM 8.6-inch (218mm) axles with 32-spline shafts, optimized for 3.45 and 3.73 gear ratios. Designed for the 5th Gen Chevrolet Camaro, this Truetrac delivers smooth, automatic torque transfer and unmatched durability without the need for clutch packs or friction additives.
Perfect for drivers who demand precision handling and improved traction, the Truetrac automatically biases torque to the wheel with the most grip—ideal for high-performance street driving, drag racing, and track use, while also maintaining confidence in low-traction conditions. Built from durable all-gear internals, it provides quiet, maintenance-free operation under all conditions.
Features:
Helical-gear, torque-biasing limited-slip design for smooth, automatic engagement
Maintenance-free—no clutches, friction plates, or special fluids required
All-gear construction ensures long service life and consistent performance
Improves cornering stability and launch traction for performance vehicles
Designed for 5th Gen Camaro applications with 3.45 or 3.73 gear ratios
Ideal for both street and performance driving
| Specification | Detail |
|---|---|
| Part Number | 912A686 |
| Differential Type | Limited Slip (LSD) |
| Axle Model | GM 8.6" (218mm) |
| Spline Count | 32 |
| Ring Gear Ratio | 3.45, 3.73 |
| Vehicle Application | 5th Gen Chevrolet Camaro |
| Weight | 28.26 lb |
Fitment:
Designed for GM 8.6-inch (218mm) rear axles with 32-spline shafts, specifically used in the 5th Generation Chevrolet Camaro (2010–2015).
Ideal Usage:
On Road: Street & Muscle, Drag Racing, Circle Track, Restoration, Work Truck / Towing
Off-Road: Light Trail / Sand Sports, Extreme Off-Road, Rock Crawl, Work Truck / Towing
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2015 | Chevrolet | Camaro | LS |
| 2010-2015 | Chevrolet | Camaro | LT |
| 2010-2015 | Chevrolet | Camaro | SS |
| 2014-2015 | Chevrolet | Camaro | Z/28 |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
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As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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