Description
Locking Header Bolts. The Mr. Gasket Headlock Locking Header Bolts; M8-1.25x25MM; Set of 12 are engineered to securely fasten exhaust headers without requiring lock washers. These bolts use serrated teeth that grip the mounting surface, preventing loosening under vibration and maintaining reliable exhaust system performance.
Construction and Appearance. Manufactured from durable 410 stainless steel, these bolts offer excellent corrosion resistance and a minimum tensile strength of 180,000 PSI. The polished finish enhances both appearance and rust resistance, making them suitable for demanding exhaust system applications.
Installation. Installation is made easier with the included ball head socket tool that assists in starting the bolts into the cylinder head. No drilling or special modifications are needed, providing a straightforward upgrade for compatible header installations.
Warranty. These bolts come with a manufacturer’s limited 90-day warranty against defects in material and workmanship. Application. Specifically designed to fit the 2007 to 2014 6.0L Silverado 3500 HD, ensuring reliable fitment for this engine without exceptions noted.
Mr. Gasket 2235G
CA Residents: WARNING: Cancer and Reproductive Harm
- Headlock™ Bolts Eliminate The Need For Lock Washers
- Each Bolt Features 24 Equally-Spaced Stainless Steel Teeth Serrations
- Teeth Serrations Bite Into And Hold Onto Attaching Surface To Prevent Loosening
- Includes 12 Bolts Per Package
- Ball Head Socket Tool Included To Start Header Bolt Into Head
- Made From Durable 410 Stainless Steel
- Minimum 180,000 PSI Tensile Strength
- Polished Finish For Corrosion Resistance And Appearance
- Size M8-1.25 x 25mm
- Manufacturer’s Limited 90 Day Warranty
- Fits 07-14 6.0L Silverado 3500 HD
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