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Complete IRS Differential Rebuild Kit for 2010-2015 Chevrolet Camaro with V8
The YK GM8.6IRS from Yukon Gear delivers every component required to rebuild the GM 8.6-inch (218mm) Independent Rear Suspension differential fitted to 2010-2015 Chevrolet Camaro SS, ZL1, and Z/28 models equipped with the V8 engine. The kit is designed specifically for the IRS housing geometry, covering the carrier bearings, inner and outer pinion bearings with matched Timken races, a full shim assortment, ring gear bolts, pinion nut, crush sleeve, pinion seal, oil baffles, slingers, thread locker, marking compound, and silicone. With YK GM8.6IRS, the builder has a single-box, tailor-made solution engineered to restore factory differential function and eliminate leaks on high-performance Camaro platforms.
Features and Benefits
- Purpose-built for the GM 8.6-inch (218mm) IRS rear differential on 2010-2015 Camaro V8 models
- Timken carrier bearings and races matched to the IRS housing dimensions
- Timken inner and outer pinion bearings with precision races for accurate preload
- Complete shim assortment for carrier and pinion depth adjustments
- High-quality pinion seal engineered to withstand high-RPM and performance driving
- Crush sleeve included for correct pinion bearing preload setup
- Oil baffles and slingers included to protect bearings under high-speed conditions
- Ring gear bolts and thread locking compound included
- Pinion nut for final assembly
- Gear marking compound and brush for contact-pattern verification
- RTV silicone for differential cover sealing
- 1-year manufacturer warranty against defects
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 2010 | Chevrolet | Camaro | SS |
| 2011 | Chevrolet | Camaro | SS |
| 2012 | Chevrolet | Camaro | SS, ZL1 |
| 2013 | Chevrolet | Camaro | SS, ZL1 |
| 2014 | Chevrolet | Camaro | SS, Z/28, ZL1 |
| 2015 | Chevrolet | Camaro | SS, Z/28, ZL1 |
Specifications
| Attribute | Detail |
|---|---|
| Part Number | YK GM8.6IRS |
| UPC | 883584141693 |
| Differential | GM 8.6-inch (218mm) IRS Rear |
| Ring Gear Size | 8.6 in. (218mm) |
| Pinion Spline Count | 32 |
| Cover Bolts | 10 |
| Ring Gear Bolts | 10 |
| Carrier Bearings Included | Yes (Timken) |
| Pinion Bearings Included | Yes (Timken) |
| Pinion Seal Included | Yes |
| Shim Set Included | Yes (complete carrier and pinion) |
| Crush Sleeve Included | Yes |
| Warranty | 1 Year Against Manufacturer Defects |
What Is Included
- Timken carrier bearings and races (pair) for IRS housing
- Timken inner pinion bearing and race
- Timken outer pinion bearing and race
- High-quality pinion seal
- Complete shim kit (carrier and pinion depth)
- Ring gear bolts (10-bolt pattern)
- Pinion nut
- Crush sleeve
- Oil baffles and slingers
- Thread locking compound
- Gear marking compound with brush
- RTV silicone for differential cover
- 20-page installation instruction sheet
Frequently Asked Questions
Does the YK GM8.6IRS include a crush sleeve?
Yes. The YK GM8.6IRS includes a crush sleeve sized for the GM 8.6-inch IRS differential found in the 2010-2015 Camaro.
What differential does YK GM8.6IRS fit?
The YK GM8.6IRS is specifically designed for the GM 8.6-inch (218mm) Independent Rear Suspension differential used in 2010-2015 Chevrolet Camaro models equipped with V8 engines. It is not compatible with solid-axle or non-IRS versions of the GM 8.6-inch axle.
Does YK GM8.6IRS fit V6 Camaro models?
No. The YK GM8.6IRS is designed for the V8 Camaro IRS differential. V6 Camaro models use a different differential housing and require a separate kit.
Does YK GM8.6IRS include oil baffles and slingers?
Yes. Oil baffles and slingers are included in the YK GM8.6IRS to protect bearings under high-RPM and performance use.
Does YK GM8.6IRS include ring gear bolts?
Yes. Ring gear bolts and thread locking compound are included in the YK GM8.6IRS kit.
Are Timken bearings used in YK GM8.6IRS?
Yes. Both carrier and pinion bearings in YK GM8.6IRS are Timken-brand for OEM-quality performance in the demanding Camaro IRS environment.
What warranty covers YK GM8.6IRS?
Yukon Gear backs the YK GM8.6IRS with a 1-year limited warranty against manufacturer defects. Under the Magnuson-Moss Warranty Act, this written warranty gives you specific legal rights, and you may also have additional rights that vary by state.
Does YK GM8.6IRS include installation instructions?
Yes. A 20-page differential installation instruction sheet is included with YK GM8.6IRS.
Installation Overview
- Support the vehicle safely; remove the rear subframe or IRS cradle as required for access.
- Drain gear oil and remove the differential cover; clean all mating surfaces.
- Remove the carrier assembly; inspect the housing bore and bearing pockets for wear.
- Press out the existing pinion and remove all old bearings and races.
- Install new Timken inner and outer pinion bearing races into the housing bores.
- Set pinion depth using shims from the YK GM8.6IRS kit and a dial indicator.
- Install the crush sleeve and new inner pinion bearing; insert pinion into housing.
- Install the outer pinion bearing, oil slinger, and new pinion seal from the kit.
- Install yoke and tighten the new pinion nut to the specified bearing preload.
- Press new Timken carrier bearings onto the carrier; lower carrier into housing.
- Adjust carrier shims to set factory-specified ring gear backlash.
- Apply marking compound; verify contact pattern and adjust as needed.
- Torque ring gear bolts with included thread locker to specification.
- Seal differential cover with included silicone; refill with appropriate gear oil.
Proposition 65 Warning: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
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