Auto Racing Products 12mm x 1.25/1.75 Stud — 3.965in Chromoly Broached

SKU: BQDN_AU3.965-1LB
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...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 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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12mm x 3.965in Chromoly Broached Studs

The Auto Racing Products 12mm x 3.965in stud is a critical component for builders requiring a precise, high-strength fastener for custom applications. Featuring a dual-thread design (12mm x 1.50 and 12mm x 1.75), this stud provides the versatility needed for various mounting scenarios. Forged from robust chromoly steel and treated with a black oxide finish, these studs are designed to maintain their integrity under high-stress conditions.

Technical Specifications

  • Thread Pitch: 12mm x 1.50 and 12mm x 1.75
  • Overall Length: 3.965 inches
  • Material: High-strength chromoly
  • Finish: Black oxide
  • Design: Broached for easy installation
  • Application: Universal racing and custom fabrication

This stud is an essential addition to any high-performance toolkit, offering the durability required for engine components, suspension mounting, or chassis reinforcement. The broached end ensures that you can achieve the necessary torque without the risk of slipping, providing peace of mind during high-speed performance. With a focus on quality and precision, this stud is built to exceed the demands of the track. Upgrade your hardware today with the reliable selection available 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

12mm x 3.965in Chromoly Broached Studs

The Auto Racing Products 12mm x 3.965in stud is a critical component for builders requiring a precise, high-strength fastener for custom applications. Featuring a dual-thread design (12mm x 1.50 and 12mm x 1.75), this stud provides the versatility needed for various mounting scenarios. Forged from robust chromoly steel and treated with a black oxide finish, these studs are designed to maintain their integrity under high-stress conditions.

Technical Specifications

  • Thread Pitch: 12mm x 1.50 and 12mm x 1.75
  • Overall Length: 3.965 inches
  • Material: High-strength chromoly
  • Finish: Black oxide
  • Design: Broached for easy installation
  • Application: Universal racing and custom fabrication

This stud is an essential addition to any high-performance toolkit, offering the durability required for engine components, suspension mounting, or chassis reinforcement. The broached end ensures that you can achieve the necessary torque without the risk of slipping, providing peace of mind during high-speed performance. With a focus on quality and precision, this stud is built to exceed the demands of the track. Upgrade your hardware today with the reliable selection available 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

12mm x 3.965in Chromoly Broached Studs

The Auto Racing Products 12mm x 3.965in stud is a critical component for builders requiring a precise, high-strength fastener for custom applications. Featuring a dual-thread design (12mm x 1.50 and 12mm x 1.75), this stud provides the versatility needed for various mounting scenarios. Forged from robust chromoly steel and treated with a black oxide finish, these studs are designed to maintain their integrity under high-stress conditions.

Technical Specifications

  • Thread Pitch: 12mm x 1.50 and 12mm x 1.75
  • Overall Length: 3.965 inches
  • Material: High-strength chromoly
  • Finish: Black oxide
  • Design: Broached for easy installation
  • Application: Universal racing and custom fabrication

This stud is an essential addition to any high-performance toolkit, offering the durability required for engine components, suspension mounting, or chassis reinforcement. The broached end ensures that you can achieve the necessary torque without the risk of slipping, providing peace of mind during high-speed performance. With a focus on quality and precision, this stud is built to exceed the demands of the track. Upgrade your hardware today with the reliable selection available at GGCRACING.

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