Stage 8 Locking Header Bolt Set M10-1.50/25M Coarse Thread Bolts Mustang GT 2011

Stage 8:


  • For 5.0L Coyote
  • For Performance Use
  • 4130 Alloy Steel
  • Set Of Sixteen

Set of Sixteen Stage 8 M10-1.50/25M Locking Header Bolts for all early 2011 Mustangs with a 5.0L Coyote V8 Engine.

The Stage 8 Locking Header Bolts (8914C) feature the same thread pitch as the original exhaust manifold bolts. Stage 8 uses high-quality 4130 Alloy Steel, to eliminate rust and corrosion from occurring.

Product Features:
- Set fits early 5.0L Coyote Mustangs made from March 2010-August 5, 2010
- Set of (16) bolts with locking tabs and retaining clips
- Stops header flange exhaust leaks
- 4130 Alloy Steel Construction
- M10-1.50 x 25M Header Bolt Set
- For drag race, oval track and high-performance street usage

Because of their nickel-plated finish, the header bolts will look brand new for years to come. The snap rings and mounting clips are constructed from spring steel.

Tech Tip: Ford changed the thread pitch on the header bolts midway through productions. 5.0L Mustangs made from March 2010-August 5, 2010 should order the kit that includes coarse thread bolts, 5.0L Mustangs made after August 5, 2010 should order the kit that includes fine thread bolts. Please select the correct headers for your application.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Mustang years:

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