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2010-14 Mustang Parts
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2011 Mustang Stage 8 Locking Header Bolt Kit 5.0 by Stage 8 Locking Fasteners


2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0
2011 Mustang Stage 8 Locking Header Bolt Kit 5.0

Securely fasten your early 2011 Mustang 5.0 headers on with this Stage 8 locking header bolt kit!

Item #STG-8914C
MPN# 8914C

Everyday Low Price: $82.78

Low Stock Only 3 available.
 This item is returnable. Details

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LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

Made in the USA

 Benefits

  • Secures Headers To Cylinder Head
  • Will Not Back Out
  • Removable & Reusable
  • Limited Lifetime Warranty

 Features

  • M10x1.50 Thread Pitch
  • Double Hex Head
  • Duplex Nickel Plated
  • Made In USA

 What's in the Box

  • (16) Bolts
  • (16) Retainers
  • (16) Spring Clips

Stage 8 Locking Header Bolt Kit
Use the best hardware on the market to ensure your early 2011 Mustang 5.0 headers are sealed up tight with Stage 8 locking fasteners! Stage 8 hardware is 100% reliable, with zero failures in more than 6,000,000 applications! With the included retainers and spring clips, these header fasteners absolutely, positively will not back out when used and installed as directed. This eliminates the need to monitor and tighten bolts regularly. Stage 8 constructs this kit with Grade 8, aircraft quality bolts that are made in the U.S.A. Completed in a duplex nickel plate, this kit is backed by Stage 8's lifetime warranty!

Bolt Size
  • M10x1.50x25mm


Stage 8 Locking Fasteners Warranty - Click Here

  • Ford Mustang - 2011
  • Engines: 5.0
Application
  • Fits Early 2011 Mustang 5.0 with M10x1.50 header bolts
  • Late 2011 5.0 engines were cast with fine thread exhaust manifold studs. Check 2011 Mustangs for the correct thread pitch before installation. Failure to check thread pitch may result in a damaged cylinder head.

California Residents:
Prop 65 Warning SignWARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

About This Brand


Stage 8 Locking Fasteners

LMR.com is proud to offer Stage 8 Locking Fasteners for your Mustang or SVT Lightning! They design the world’s most effective active mechanical locking systems that prevent even a single degree of fastener loosening rotation, and provide significantly more breakaway torque than any other locking systems. Stage 8 has over 78 patents and trademarks, issued or applied for. They have over 17 million locking systems installed in automotive and industrial applications, without a single failure reported. For the most critical fastener applications, Stage 8 technology has consistently delivered measurable increases in equipment availability and safety, and dramatic reductions in maintenance costs and equipment failures.

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