Auto Racing Products CA625+ Pro-Series Head Stud Kit 12pt — Fits 2004-Up GM LS

SKU: BQDN_234-4314
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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 Strength for GM LS Engines

For the serious engine builder pushing the limits of their GM LS platform, the ARP 234-4314 CA625+ Pro-Series Head Stud Kit is the gold standard. Engineered for extreme high-boost and high-horsepower applications, these studs are manufactured from proprietary CA625+ material, offering significantly higher tensile strength than standard chromoly. This kit is essential for anyone looking to prevent head lift and maintain a perfect seal under extreme cylinder pressures.

Pro-Series Performance Features

  • CA625+ Material: Proprietary alloy offering superior fatigue and tensile strength.
  • 12-Point Design: Provides maximum clamping force and easier access.
  • Application Specific: Designed for 2004-up GM LS-series engines.
  • Precision Rolled Threads: Ensures consistent torque and prevents thread galling.
  • Natural Finish: High-quality, professional-grade appearance.

When you are running forced induction or high-compression setups, standard fasteners simply cannot handle the stress. The CA625+ material is specifically designed to handle the extreme thermal and mechanical loads of modern performance engines. By choosing this Pro-Series kit, you are investing in the longevity and reliability of your engine build. Each kit includes the necessary studs, 12-point nuts, and hardened washers to ensure a perfect installation. Don't compromise on the most critical fasteners in your engine. Equip your GM LS with the best technology available. Find all your high-end engine hardware 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

Ultimate Strength for GM LS Engines

For the serious engine builder pushing the limits of their GM LS platform, the ARP 234-4314 CA625+ Pro-Series Head Stud Kit is the gold standard. Engineered for extreme high-boost and high-horsepower applications, these studs are manufactured from proprietary CA625+ material, offering significantly higher tensile strength than standard chromoly. This kit is essential for anyone looking to prevent head lift and maintain a perfect seal under extreme cylinder pressures.

Pro-Series Performance Features

  • CA625+ Material: Proprietary alloy offering superior fatigue and tensile strength.
  • 12-Point Design: Provides maximum clamping force and easier access.
  • Application Specific: Designed for 2004-up GM LS-series engines.
  • Precision Rolled Threads: Ensures consistent torque and prevents thread galling.
  • Natural Finish: High-quality, professional-grade appearance.

When you are running forced induction or high-compression setups, standard fasteners simply cannot handle the stress. The CA625+ material is specifically designed to handle the extreme thermal and mechanical loads of modern performance engines. By choosing this Pro-Series kit, you are investing in the longevity and reliability of your engine build. Each kit includes the necessary studs, 12-point nuts, and hardened washers to ensure a perfect installation. Don't compromise on the most critical fasteners in your engine. Equip your GM LS with the best technology available. Find all your high-end engine hardware 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

Ultimate Strength for GM LS Engines

For the serious engine builder pushing the limits of their GM LS platform, the ARP 234-4314 CA625+ Pro-Series Head Stud Kit is the gold standard. Engineered for extreme high-boost and high-horsepower applications, these studs are manufactured from proprietary CA625+ material, offering significantly higher tensile strength than standard chromoly. This kit is essential for anyone looking to prevent head lift and maintain a perfect seal under extreme cylinder pressures.

Pro-Series Performance Features

  • CA625+ Material: Proprietary alloy offering superior fatigue and tensile strength.
  • 12-Point Design: Provides maximum clamping force and easier access.
  • Application Specific: Designed for 2004-up GM LS-series engines.
  • Precision Rolled Threads: Ensures consistent torque and prevents thread galling.
  • Natural Finish: High-quality, professional-grade appearance.

When you are running forced induction or high-compression setups, standard fasteners simply cannot handle the stress. The CA625+ material is specifically designed to handle the extreme thermal and mechanical loads of modern performance engines. By choosing this Pro-Series kit, you are investing in the longevity and reliability of your engine build. Each kit includes the necessary studs, 12-point nuts, and hardened washers to ensure a perfect installation. Don't compromise on the most critical fasteners in your engine. Equip your GM LS with the best technology available. Find all your high-end engine hardware at GGCRACING.

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