These Yukon replacement diff covers are a direct bolt-on. 8.6 inch Diff Cover KIT 07 & UP GM .

Features:

Steel cover kit for GM 8.2 inch and 8.6 inch rear Engineered using state-of-the-art design software Units are inspected to ensure precise accuracy and fitment Manufactured for reliability and ultimate performance

Details:

• Axle Model: GM 8.5
• Drain Plug Included: NO
• Finish: Unpainted
• Gasket Or Seal Included: YES
• Hardware Included: NO
• Location: Rear
• Material: Steel
• Mounting Bolts Included: YES
• Ring Gear Bolt Quantity: 10

Includes differential cover, fill plug, cover bolts, and gasket. Cover is 9.75 inch. wide center to center between the side bolt holes.

Not for Trailblazer, Envoy, Rainier, or Bravada that come with a 10.25 inch wide cover.