Stage 8 Header Bolt Kit 6pt 3/8-16 x 3/4 Locking Fasteners — Fits Universal Applications

SKU: BJHT_8916S

About Stage 8 Stage 8 engineers high-quality automotive parts and ...Read more

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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 for Any Build

Ensure your exhaust system remains leak-free with the Stage 8 Header Bolt Kit. Designed for universal applications requiring 3/8-16 thread pitch, these locking bolts are the ultimate solution for preventing the common issue of loose header hardware. By mechanically locking the bolt head, you eliminate the risk of vibration-induced loosening, keeping your gaskets intact and your engine performing at its peak.

Key Features & Benefits

  • Thread Size: 3/8-16
  • Length: 0.75 inch
  • Head Type: 6-Point Hex
  • Finish: Nickel-Plated Steel
  • Quantity: 12-Piece Set

The Stage 8 locking system is simple to install but impossible to loosen accidentally. Once the bridge and clip are engaged, the bolt is locked in a fixed position, regardless of the heat cycles your engine experiences. This is an essential upgrade for any high-performance vehicle, street rod, or custom build where reliability is non-negotiable. Don't let a simple bolt failure ruin your day at the track or on the street. Get the best in locking hardware from GGCRACING.

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 for Any Build

Ensure your exhaust system remains leak-free with the Stage 8 Header Bolt Kit. Designed for universal applications requiring 3/8-16 thread pitch, these locking bolts are the ultimate solution for preventing the common issue of loose header hardware. By mechanically locking the bolt head, you eliminate the risk of vibration-induced loosening, keeping your gaskets intact and your engine performing at its peak.

Key Features & Benefits

  • Thread Size: 3/8-16
  • Length: 0.75 inch
  • Head Type: 6-Point Hex
  • Finish: Nickel-Plated Steel
  • Quantity: 12-Piece Set

The Stage 8 locking system is simple to install but impossible to loosen accidentally. Once the bridge and clip are engaged, the bolt is locked in a fixed position, regardless of the heat cycles your engine experiences. This is an essential upgrade for any high-performance vehicle, street rod, or custom build where reliability is non-negotiable. Don't let a simple bolt failure ruin your day at the track or on the street. Get the best in locking hardware from GGCRACING.

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