Stage 8 Locking Header Bolt M8-1.25/25M Set Mustang GT 2005-2010/ GT500 2007-2012

Stage 8:


  • M8-1.25 X 25M Bolts
  • 4130 Alloy Steel Construction
  • Direct-Fit Replacement
  • Made in the USA

Stage 8 M8-1.25/25M Locking Header Bolt Set for 2005, 2006, 2007, 2008, 2009 and 2010 GT Mustangs and 2007, 2008, 2009, 2010, 2011 and 2012 GT500 Mustangs.

Keep the new headers on your 2005-2010 GT or 2007-2012 GT500 secure with a Stage 8 M8-1.25/25M Locking Header Bolt Set! Including sixteen locking header bolts, tabs and retainer clips, this set is designed to protect against vibrations that could potentially cause bolt back-outs and damage your headers. Constructed of 4130 alloy steel, each bolt is rust and corrosion-resistant and features a nickel-plated finish ensuring a like-new shine for years to come. The bolts in this kit feature the same thread pitch as the original bolts and install as a direct-fit replacement.

Features and Benefits:
- M8-1.25 X 25M Bolt Specifications
- 4130 Alloy Steel Construction
- Direct-Fit Replacement
- Stops Header Flange Exhaust Leaks
- Includes 16 Bolts
- Ideal for Street and Strip Applications
- Made in the USA

In addition to providing a firm hold on your headers, these bolts stop header flange exhaust leaks keeping your engine clean and your exhaust working for you. The included snap rings and mounting clips are constructed of spring steel for added longevity and overall durability. Perfect for the strip or the street, these M8-1.25 X 25M bolts will serve their purpose far beyond the stock models.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Mustang years:

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