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Find Engine Components for your Sierra 3500

Mr. Gasket Header Bolts; M8-1.25x25MM; Black Oxide (07-13 6.0L Sierra 3500 HD)Find parts that fit my vehicle

Item SHG27345
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$0.00
1 Reviews
Our Price

$21.99 set of 8

Ship to: 43215
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Mr. Gasket Header Bolts; M8-1.25x25MM; Black Oxide
      • Secures Exhaust Headers With High-Clamp Load
      • Black Oxide Finish Resists Corrosion and Seizing
      • Ideal for Performance Exhaust Installs and Repairs
      • Precision Threads Prevent Galling or Cross-Threading
      • Grade 8 Steel Construction With Hex Heads
      • Maintains Proper Seal Between Header and Cylinder Head
      • Fits 2007–2013 6.0L GMC Sierra 3500 HD Models

      Description

      Keep Your Exhaust Headers Secured and Leak-Free. These Mr. Gasket Header Bolts are engineered for high-performance applications where maintaining a proper seal is critical. Built to exact thread specifications, they’re perfect for replacing factory bolts or upgrading to ensure your headers stay tightly clamped under heat and vibration.

      Durable Hardware With Performance-Focused Finish. Constructed from Grade 8 steel and finished in corrosion-resistant black oxide, these bolts resist rust, thread damage, and thermal stress. Their compact hex heads offer clearance in tight engine bays, and the M8-1.25x25mm sizing matches many aftermarket and OEM exhaust header flanges.

      Installation. This product installs using a standard socket wrench; torque to factory specifications for proper gasket compression.

      Application. These Mr. Gasket Header Bolts fit 2007–2013 6.0L GMC Sierra 3500 HD models.

      Mr. Gasket 918G

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 30 Minutes

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (8) Header bolts
      • (8) Nuts
      • (1) Instruction sheet
      5.0

      Customer Reviews (1)

      Brand Image

      Reviews of Mr. Gasket Engine products have an average rating of 4.7 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 3500

      • 6.0L V8 - 07, 08, 09, 10, 11, 12, 13