Auto Racing Products S/S Header Bolt Kit - 12pt. Polished Stainless — Fits GM LS-Series

SKU: BQDN_434-1202
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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 Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

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Ultimate Security for Your GM LS Headers with ARP 12-Point Bolts

Elevate the performance and aesthetics of your GM LS-Series engine with the Auto Racing Products 12-point Stainless Steel Header Bolt Kit. These premium fasteners are engineered to deliver superior clamping force, effectively preventing exhaust leaks and maintaining optimal engine efficiency. The distinctive 12-point head design not only provides a high-performance look but also allows for precise torque application, crucial for a perfect seal.

Engineered for Demanding LS Applications

  • High-Strength Stainless Steel: Crafted from robust stainless steel, offering exceptional resistance to heat, corrosion, and stretching.
  • 12-Point Head Design: Provides a larger wrenching surface for higher torque values and a sleek, professional appearance.
  • Optimized Dimensions: Features 8 mm x 1.25 thread and a 1.181 inch length, ensuring perfect fitment for GM LS-Series headers.
  • Polished Finish: A brilliant, mirror-like polish adds a touch of show-quality elegance to your engine bay.
  • Complete Set: Includes 12 bolts, providing all necessary hardware for a full header installation.

The Performance Choice for LS Headers

ARP header bolts are the go-to choice for serious enthusiasts and professional builders. Designed to withstand the extreme thermal cycles and vibrations of high-performance LS engines, these fasteners maintain their integrity where ordinary bolts fail. Invest in ARP's proven quality to ensure your headers stay securely sealed and your engine performs at its peak.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Ultimate Security for Your GM LS Headers with ARP 12-Point Bolts

Elevate the performance and aesthetics of your GM LS-Series engine with the Auto Racing Products 12-point Stainless Steel Header Bolt Kit. These premium fasteners are engineered to deliver superior clamping force, effectively preventing exhaust leaks and maintaining optimal engine efficiency. The distinctive 12-point head design not only provides a high-performance look but also allows for precise torque application, crucial for a perfect seal.

Engineered for Demanding LS Applications

  • High-Strength Stainless Steel: Crafted from robust stainless steel, offering exceptional resistance to heat, corrosion, and stretching.
  • 12-Point Head Design: Provides a larger wrenching surface for higher torque values and a sleek, professional appearance.
  • Optimized Dimensions: Features 8 mm x 1.25 thread and a 1.181 inch length, ensuring perfect fitment for GM LS-Series headers.
  • Polished Finish: A brilliant, mirror-like polish adds a touch of show-quality elegance to your engine bay.
  • Complete Set: Includes 12 bolts, providing all necessary hardware for a full header installation.

The Performance Choice for LS Headers

ARP header bolts are the go-to choice for serious enthusiasts and professional builders. Designed to withstand the extreme thermal cycles and vibrations of high-performance LS engines, these fasteners maintain their integrity where ordinary bolts fail. Invest in ARP's proven quality to ensure your headers stay securely sealed and your engine performs at its peak.

Product Details

Product Description

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Ultimate Security for Your GM LS Headers with ARP 12-Point Bolts

Elevate the performance and aesthetics of your GM LS-Series engine with the Auto Racing Products 12-point Stainless Steel Header Bolt Kit. These premium fasteners are engineered to deliver superior clamping force, effectively preventing exhaust leaks and maintaining optimal engine efficiency. The distinctive 12-point head design not only provides a high-performance look but also allows for precise torque application, crucial for a perfect seal.

Engineered for Demanding LS Applications

  • High-Strength Stainless Steel: Crafted from robust stainless steel, offering exceptional resistance to heat, corrosion, and stretching.
  • 12-Point Head Design: Provides a larger wrenching surface for higher torque values and a sleek, professional appearance.
  • Optimized Dimensions: Features 8 mm x 1.25 thread and a 1.181 inch length, ensuring perfect fitment for GM LS-Series headers.
  • Polished Finish: A brilliant, mirror-like polish adds a touch of show-quality elegance to your engine bay.
  • Complete Set: Includes 12 bolts, providing all necessary hardware for a full header installation.

The Performance Choice for LS Headers

ARP header bolts are the go-to choice for serious enthusiasts and professional builders. Designed to withstand the extreme thermal cycles and vibrations of high-performance LS engines, these fasteners maintain their integrity where ordinary bolts fail. Invest in ARP's proven quality to ensure your headers stay securely sealed and your engine performs at its peak.

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