Auto Racing Products Chromoly Hex Head Header Bolt Kit — Fits GM LS-Series Engines

SKU: BQDN_134-1101
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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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Eliminate Exhaust Leaks with ARP GM LS Chromoly Header Bolt Kit

Exhaust headers and manifolds are subjected to extreme temperatures, constant vibration, and significant thermal expansion and contraction. Standard factory bolts often stretch, loosen, or corrode under these harsh conditions, leading to frustrating and power-robbing exhaust leaks. The Auto Racing Products (ARP) Chromoly Hex Head Header Bolt Kit is specifically engineered to withstand the most demanding exhaust environments, providing an unyielding, leak-free seal for your GM LS-Series engine. This kit is an essential upgrade for any performance exhaust system, ensuring maximum efficiency and sound.

Engineered for Extreme Heat and Vibration

ARP's commitment to superior engineering is evident in every bolt of this header kit. Each fastener is precision-machined from high-strength chromoly steel, a material renowned for its exceptional tensile strength and resistance to stretching and fatigue, even at elevated temperatures. The traditional hex head design ensures easy installation and removal, allowing for precise torque application for a secure, tight seal. A durable black oxide finish not only provides a professional appearance but also offers enhanced corrosion resistance, protecting your fasteners from the harsh elements of the exhaust system. Complete with high-quality washers, this kit provides everything necessary for a long-lasting, leak-free installation.

Key Advantages for Your LS Exhaust System

  • Perfect Fitment: Custom-designed for GM LS-Series exhaust manifolds and headers, guaranteeing precise alignment and a secure seal.
  • Superior Clamping Force: Provides significantly greater clamping force than OEM bolts, preventing header gasket leaks and maintaining exhaust efficiency.
  • High-Temperature Resistance: Constructed from premium chromoly steel, these bolts are built to withstand the extreme heat cycles of performance exhaust systems.
  • Vibration Resistance: Engineered to resist loosening from engine vibration, ensuring your headers stay securely fastened.
  • Corrosion Protection: Features a black oxide finish that resists rust and degradation, extending the life of your fasteners in harsh environments.
  • Optimal Dimensions: Features 8 mm x 1.25 thread, 0.984 inches long, ensuring ideal engagement and security.
  • Complete Kit: Includes a set of 12 header bolts and washers for a comprehensive and reliable installation.

Don't let exhaust leaks compromise your engine's performance or sound. The ARP Chromoly Hex Head Header Bolt Kit offers the ultimate solution for securing your GM LS-Series exhaust system, providing unmatched strength, heat resistance, and peace of mind. Trust ARP for the critical connections that drive your performance. Discover top-tier exhaust components and more at GGCRACING.

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

Eliminate Exhaust Leaks with ARP GM LS Chromoly Header Bolt Kit

Exhaust headers and manifolds are subjected to extreme temperatures, constant vibration, and significant thermal expansion and contraction. Standard factory bolts often stretch, loosen, or corrode under these harsh conditions, leading to frustrating and power-robbing exhaust leaks. The Auto Racing Products (ARP) Chromoly Hex Head Header Bolt Kit is specifically engineered to withstand the most demanding exhaust environments, providing an unyielding, leak-free seal for your GM LS-Series engine. This kit is an essential upgrade for any performance exhaust system, ensuring maximum efficiency and sound.

Engineered for Extreme Heat and Vibration

ARP's commitment to superior engineering is evident in every bolt of this header kit. Each fastener is precision-machined from high-strength chromoly steel, a material renowned for its exceptional tensile strength and resistance to stretching and fatigue, even at elevated temperatures. The traditional hex head design ensures easy installation and removal, allowing for precise torque application for a secure, tight seal. A durable black oxide finish not only provides a professional appearance but also offers enhanced corrosion resistance, protecting your fasteners from the harsh elements of the exhaust system. Complete with high-quality washers, this kit provides everything necessary for a long-lasting, leak-free installation.

Key Advantages for Your LS Exhaust System

  • Perfect Fitment: Custom-designed for GM LS-Series exhaust manifolds and headers, guaranteeing precise alignment and a secure seal.
  • Superior Clamping Force: Provides significantly greater clamping force than OEM bolts, preventing header gasket leaks and maintaining exhaust efficiency.
  • High-Temperature Resistance: Constructed from premium chromoly steel, these bolts are built to withstand the extreme heat cycles of performance exhaust systems.
  • Vibration Resistance: Engineered to resist loosening from engine vibration, ensuring your headers stay securely fastened.
  • Corrosion Protection: Features a black oxide finish that resists rust and degradation, extending the life of your fasteners in harsh environments.
  • Optimal Dimensions: Features 8 mm x 1.25 thread, 0.984 inches long, ensuring ideal engagement and security.
  • Complete Kit: Includes a set of 12 header bolts and washers for a comprehensive and reliable installation.

Don't let exhaust leaks compromise your engine's performance or sound. The ARP Chromoly Hex Head Header Bolt Kit offers the ultimate solution for securing your GM LS-Series exhaust system, providing unmatched strength, heat resistance, and peace of mind. Trust ARP for the critical connections that drive your performance. Discover top-tier exhaust components and more at GGCRACING.

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

Eliminate Exhaust Leaks with ARP GM LS Chromoly Header Bolt Kit

Exhaust headers and manifolds are subjected to extreme temperatures, constant vibration, and significant thermal expansion and contraction. Standard factory bolts often stretch, loosen, or corrode under these harsh conditions, leading to frustrating and power-robbing exhaust leaks. The Auto Racing Products (ARP) Chromoly Hex Head Header Bolt Kit is specifically engineered to withstand the most demanding exhaust environments, providing an unyielding, leak-free seal for your GM LS-Series engine. This kit is an essential upgrade for any performance exhaust system, ensuring maximum efficiency and sound.

Engineered for Extreme Heat and Vibration

ARP's commitment to superior engineering is evident in every bolt of this header kit. Each fastener is precision-machined from high-strength chromoly steel, a material renowned for its exceptional tensile strength and resistance to stretching and fatigue, even at elevated temperatures. The traditional hex head design ensures easy installation and removal, allowing for precise torque application for a secure, tight seal. A durable black oxide finish not only provides a professional appearance but also offers enhanced corrosion resistance, protecting your fasteners from the harsh elements of the exhaust system. Complete with high-quality washers, this kit provides everything necessary for a long-lasting, leak-free installation.

Key Advantages for Your LS Exhaust System

  • Perfect Fitment: Custom-designed for GM LS-Series exhaust manifolds and headers, guaranteeing precise alignment and a secure seal.
  • Superior Clamping Force: Provides significantly greater clamping force than OEM bolts, preventing header gasket leaks and maintaining exhaust efficiency.
  • High-Temperature Resistance: Constructed from premium chromoly steel, these bolts are built to withstand the extreme heat cycles of performance exhaust systems.
  • Vibration Resistance: Engineered to resist loosening from engine vibration, ensuring your headers stay securely fastened.
  • Corrosion Protection: Features a black oxide finish that resists rust and degradation, extending the life of your fasteners in harsh environments.
  • Optimal Dimensions: Features 8 mm x 1.25 thread, 0.984 inches long, ensuring ideal engagement and security.
  • Complete Kit: Includes a set of 12 header bolts and washers for a comprehensive and reliable installation.

Don't let exhaust leaks compromise your engine's performance or sound. The ARP Chromoly Hex Head Header Bolt Kit offers the ultimate solution for securing your GM LS-Series exhaust system, providing unmatched strength, heat resistance, and peace of mind. Trust ARP for the critical connections that drive your performance. Discover top-tier exhaust components and more at GGCRACING.

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