Stage 8 Header Bolt Kit 10mm-1.50 x 25mm 6pt Locking Fasteners — Fits Ford Coyote

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SKU: BJHT_8914C
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Sale price$78.84 Regular price$82.78
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Stage 8

Stage 8 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Stage 8 lineup with fast shipping and expert fitment support — order with confidence.

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High-Performance Locking Bolts for Ford Coyote

Maintaining a leak-free exhaust system is essential for the performance of your Ford Coyote engine. The Stage 8 Header Bolt Kit (10mm-1.50 x 25mm) provides the ultimate insurance policy against loose bolts. Designed specifically for Coyote applications requiring the 1.50 thread pitch, these bolts utilize a mechanical locking system that prevents rotation caused by engine vibration and extreme heat.

Why Stage 8 is the Best Choice

  • Exact Fitment: Engineered for the specific thread requirements of the Coyote engine.
  • Patented Locking Technology: Locks the bolt head to the header flange, ensuring it stays tight.
  • Corrosion Resistant: Nickel-plated steel construction for long-lasting durability in harsh under-hood environments.
  • Complete Installation Kit: Set of 16 bolts provided for a full header installation.

Exhaust leaks not only sound bad but can also cause a loss of backpressure and potential damage to your cylinder head or gaskets. By choosing Stage 8, you are investing in the most reliable header hardware available. The 6-point hex head design makes installation simple, even in cramped engine bays. Whether you are running a stock Coyote or a heavily modified forced-induction setup, these bolts provide the security you need to drive with confidence. Find all your essential engine hardware at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Stage 8

Stage 8 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Stage 8 lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Locking Bolts for Ford Coyote

Maintaining a leak-free exhaust system is essential for the performance of your Ford Coyote engine. The Stage 8 Header Bolt Kit (10mm-1.50 x 25mm) provides the ultimate insurance policy against loose bolts. Designed specifically for Coyote applications requiring the 1.50 thread pitch, these bolts utilize a mechanical locking system that prevents rotation caused by engine vibration and extreme heat.

Why Stage 8 is the Best Choice

  • Exact Fitment: Engineered for the specific thread requirements of the Coyote engine.
  • Patented Locking Technology: Locks the bolt head to the header flange, ensuring it stays tight.
  • Corrosion Resistant: Nickel-plated steel construction for long-lasting durability in harsh under-hood environments.
  • Complete Installation Kit: Set of 16 bolts provided for a full header installation.

Exhaust leaks not only sound bad but can also cause a loss of backpressure and potential damage to your cylinder head or gaskets. By choosing Stage 8, you are investing in the most reliable header hardware available. The 6-point hex head design makes installation simple, even in cramped engine bays. Whether you are running a stock Coyote or a heavily modified forced-induction setup, these bolts provide the security you need to drive with confidence. Find all your essential engine hardware at GGCRACING.

Product Details

Product Description

About Stage 8

Stage 8 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Stage 8 lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Locking Bolts for Ford Coyote

Maintaining a leak-free exhaust system is essential for the performance of your Ford Coyote engine. The Stage 8 Header Bolt Kit (10mm-1.50 x 25mm) provides the ultimate insurance policy against loose bolts. Designed specifically for Coyote applications requiring the 1.50 thread pitch, these bolts utilize a mechanical locking system that prevents rotation caused by engine vibration and extreme heat.

Why Stage 8 is the Best Choice

  • Exact Fitment: Engineered for the specific thread requirements of the Coyote engine.
  • Patented Locking Technology: Locks the bolt head to the header flange, ensuring it stays tight.
  • Corrosion Resistant: Nickel-plated steel construction for long-lasting durability in harsh under-hood environments.
  • Complete Installation Kit: Set of 16 bolts provided for a full header installation.

Exhaust leaks not only sound bad but can also cause a loss of backpressure and potential damage to your cylinder head or gaskets. By choosing Stage 8, you are investing in the most reliable header hardware available. The 6-point hex head design makes installation simple, even in cramped engine bays. Whether you are running a stock Coyote or a heavily modified forced-induction setup, these bolts provide the security you need to drive with confidence. Find all your essential engine hardware at GGCRACING.

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