Stage 8 Header Bolt Kit 3/8-16 x 1in 6pt Locking Fasteners — Universal Performance Exhaust

SKU: BJHT_8912A
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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.

Ultimate Header Security with Stage 8

Stop worrying about exhaust leaks caused by vibration and heat cycles. The Stage 8 Header Bolt Kit (3/8-16 x 1in) is the industry standard for high-performance exhaust retention. Engineered with a unique active locking design, these bolts ensure your headers stay tight under the most demanding racing conditions.

Key Features and Benefits

  • Patented Locking Design: Eliminates the need for constant retorquing.
  • Premium Construction: Crafted from high-strength steel with a durable nickel-plated finish for superior corrosion resistance.
  • Perfect Fitment: Designed for universal applications requiring 3/8-16 thread pitch and 1-inch length.
  • Complete Set: Includes 16 bolts, providing full coverage for your exhaust manifold installation.

Whether you are building a street machine or a dedicated track car, these locking fasteners provide the peace of mind that your exhaust system is sealed tight. The 6-point hex head design allows for easy installation in tight engine bays where clearance is limited. Don't let a loose bolt ruin your track day; upgrade to the reliability of Stage 8 hardware. For all your high-performance engine fastener needs, trust the experts 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.

Ultimate Header Security with Stage 8

Stop worrying about exhaust leaks caused by vibration and heat cycles. The Stage 8 Header Bolt Kit (3/8-16 x 1in) is the industry standard for high-performance exhaust retention. Engineered with a unique active locking design, these bolts ensure your headers stay tight under the most demanding racing conditions.

Key Features and Benefits

  • Patented Locking Design: Eliminates the need for constant retorquing.
  • Premium Construction: Crafted from high-strength steel with a durable nickel-plated finish for superior corrosion resistance.
  • Perfect Fitment: Designed for universal applications requiring 3/8-16 thread pitch and 1-inch length.
  • Complete Set: Includes 16 bolts, providing full coverage for your exhaust manifold installation.

Whether you are building a street machine or a dedicated track car, these locking fasteners provide the peace of mind that your exhaust system is sealed tight. The 6-point hex head design allows for easy installation in tight engine bays where clearance is limited. Don't let a loose bolt ruin your track day; upgrade to the reliability of Stage 8 hardware. For all your high-performance engine fastener needs, trust the experts 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.

Ultimate Header Security with Stage 8

Stop worrying about exhaust leaks caused by vibration and heat cycles. The Stage 8 Header Bolt Kit (3/8-16 x 1in) is the industry standard for high-performance exhaust retention. Engineered with a unique active locking design, these bolts ensure your headers stay tight under the most demanding racing conditions.

Key Features and Benefits

  • Patented Locking Design: Eliminates the need for constant retorquing.
  • Premium Construction: Crafted from high-strength steel with a durable nickel-plated finish for superior corrosion resistance.
  • Perfect Fitment: Designed for universal applications requiring 3/8-16 thread pitch and 1-inch length.
  • Complete Set: Includes 16 bolts, providing full coverage for your exhaust manifold installation.

Whether you are building a street machine or a dedicated track car, these locking fasteners provide the peace of mind that your exhaust system is sealed tight. The 6-point hex head design allows for easy installation in tight engine bays where clearance is limited. Don't let a loose bolt ruin your track day; upgrade to the reliability of Stage 8 hardware. For all your high-performance engine fastener needs, trust the experts at GGCRACING.

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