Chevy | GMC 12-Bolt Rear Differential Cover Bolt Kit – 18-8 Stainless
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Give your Chevrolet or GMC rear differential cover a clean, custom hardware finish with this 18-8 stainless steel 12-point bolt kit. Made for applications with a compatible 12-bolt rear differential cover and matching original fastener specifications.
Hardware Specifications
- Material: 18-8 stainless steel.
- Head: 12-point.
- Thread: 5/16-18 UNC.
- Length: 3/4 in.
- Intended application: Compatible 12-bolt rear differential covers.
Kit Contents
The current kit specification lists 12 stainless steel bolts and 12 flat washers. Confirm that the quantity and washer arrangement match your differential before purchasing.
Fitment
Rear axle types differ by model year, trim, drivetrain, and axle swaps. Match the differential-cover bolt count, thread diameter, thread pitch, bolt length, head clearance, and washer suitability to your existing hardware before ordering. The kit is axle-specific; not every 1988–1998 Chevy/GMC truck uses the same axle.
Installation Notes
Follow the applicable axle manufacturer's procedures and torque specifications. Confirm that the selected fasteners provide correct thread engagement without bottoming out or interfering with the cover or gasket.
California Proposition 65: This product may expose you to chemicals known to the State of California to cause cancer and/or reproductive harm. Visit www.P65Warnings.ca.gov.
Chevrolet and GMC are trademarks of General Motors. OBS Billet is an independent aftermarket parts seller and is not affiliated with General Motors.
OBS Billet - "Mission Statement"
OBS Billet attempts to keep the look and feel of OEM parts, so when we design parts, we try to keep as close to the original as possible to keep you in the 'Spirit of the Era'
We also aim to create a consistent product line of 'Themes & Styles' to keep a consistent look to your aftermarket parts, rather than a disjointed collection of billet parts, that in some cases , may not suit the era or look of the truck.
We hope we achieved this.
Sean - OBS Billet
