ARP M12 x 1.75 x 4.91 U/C Stud — Professional Engine Fastener

SKU: ARPAU4.900-1LUB
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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 ARP

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.

Reliable ARP M12 Engine Studs

The ARP M12 x 1.75 x 4.91 U/C stud is a critical component for any serious engine build. Designed to handle the rigors of high-performance driving, these studs offer unmatched clamping force compared to standard factory bolts. ARP's commitment to metallurgy and manufacturing precision ensures that every stud meets the highest quality standards for your engine.

Key Features and Benefits

  • Superior Material Quality: Forged from proprietary alloys for maximum tensile strength.
  • Optimized U/C Design: Engineered to reduce stress concentrations and improve fatigue life.
  • Consistent Torque: Rolled threads provide smooth, accurate torque application every time.
  • Heat Treated: Ensures long-term stability under high-heat operating conditions.

This stud is perfect for builders looking to secure cylinder heads or other critical engine components where vibration and pressure are constant threats. By utilizing ARP, you are investing in the longevity of your engine, ensuring that your gasket seal remains intact even under the most demanding conditions. Whether you are working on a track-day car or a high-horsepower street machine, these studs provide the structural foundation required for success. Experience the difference that professional-grade hardware makes in your next build. For all your high-performance engine component needs, trust the experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

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.

Reliable ARP M12 Engine Studs

The ARP M12 x 1.75 x 4.91 U/C stud is a critical component for any serious engine build. Designed to handle the rigors of high-performance driving, these studs offer unmatched clamping force compared to standard factory bolts. ARP's commitment to metallurgy and manufacturing precision ensures that every stud meets the highest quality standards for your engine.

Key Features and Benefits

  • Superior Material Quality: Forged from proprietary alloys for maximum tensile strength.
  • Optimized U/C Design: Engineered to reduce stress concentrations and improve fatigue life.
  • Consistent Torque: Rolled threads provide smooth, accurate torque application every time.
  • Heat Treated: Ensures long-term stability under high-heat operating conditions.

This stud is perfect for builders looking to secure cylinder heads or other critical engine components where vibration and pressure are constant threats. By utilizing ARP, you are investing in the longevity of your engine, ensuring that your gasket seal remains intact even under the most demanding conditions. Whether you are working on a track-day car or a high-horsepower street machine, these studs provide the structural foundation required for success. Experience the difference that professional-grade hardware makes in your next build. For all your high-performance engine component needs, trust the experts at GGCRACING.

Product Details

Product Description

About ARP

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.

Reliable ARP M12 Engine Studs

The ARP M12 x 1.75 x 4.91 U/C stud is a critical component for any serious engine build. Designed to handle the rigors of high-performance driving, these studs offer unmatched clamping force compared to standard factory bolts. ARP's commitment to metallurgy and manufacturing precision ensures that every stud meets the highest quality standards for your engine.

Key Features and Benefits

  • Superior Material Quality: Forged from proprietary alloys for maximum tensile strength.
  • Optimized U/C Design: Engineered to reduce stress concentrations and improve fatigue life.
  • Consistent Torque: Rolled threads provide smooth, accurate torque application every time.
  • Heat Treated: Ensures long-term stability under high-heat operating conditions.

This stud is perfect for builders looking to secure cylinder heads or other critical engine components where vibration and pressure are constant threats. By utilizing ARP, you are investing in the longevity of your engine, ensuring that your gasket seal remains intact even under the most demanding conditions. Whether you are working on a track-day car or a high-horsepower street machine, these studs provide the structural foundation required for success. Experience the difference that professional-grade hardware makes in your next build. For all your high-performance engine component needs, trust the experts at GGCRACING.

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