Auto Racing Products 12-Point Chromoly Bolt Kit — 7/16-20 x 2.250 Universal Fitment

SKU: BQDN_743-2250
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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.

Watch in action

Professional-Grade 12-Point Chromoly Bolts

For demanding automotive applications, standard hardware simply won't cut it. These Auto Racing Products 12-point bolts are engineered for those who demand the highest level of reliability. Featuring a 7/16-20 thread and a 2.250-inch length, these bolts provide the extended reach and extreme tensile strength needed for complex engine assemblies.

Why Choose These Fasteners?

  • Superior Tensile Strength
  • 12-Point Head for Easy Access
  • Precision 7/16-20 Threading
  • Durable Chromoly Steel
  • Black Oxide Coating
  • Set of 5

The 12-point head is a favorite among engine builders because it allows for higher torque settings and prevents the tool from slipping during installation. These bolts are ideal for securing heavy-duty components that are subject to constant vibration and thermal expansion. The black oxide finish ensures that these bolts maintain their structural integrity while resisting rust and wear. Whether you are building a custom race engine or performing a high-performance restoration, these bolts provide the security you need to perform with confidence. Experience the difference in quality and precision with components from 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

Professional-Grade 12-Point Chromoly Bolts

For demanding automotive applications, standard hardware simply won't cut it. These Auto Racing Products 12-point bolts are engineered for those who demand the highest level of reliability. Featuring a 7/16-20 thread and a 2.250-inch length, these bolts provide the extended reach and extreme tensile strength needed for complex engine assemblies.

Why Choose These Fasteners?

  • Superior Tensile Strength
  • 12-Point Head for Easy Access
  • Precision 7/16-20 Threading
  • Durable Chromoly Steel
  • Black Oxide Coating
  • Set of 5

The 12-point head is a favorite among engine builders because it allows for higher torque settings and prevents the tool from slipping during installation. These bolts are ideal for securing heavy-duty components that are subject to constant vibration and thermal expansion. The black oxide finish ensures that these bolts maintain their structural integrity while resisting rust and wear. Whether you are building a custom race engine or performing a high-performance restoration, these bolts provide the security you need to perform with confidence. Experience the difference in quality and precision with components from 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

Professional-Grade 12-Point Chromoly Bolts

For demanding automotive applications, standard hardware simply won't cut it. These Auto Racing Products 12-point bolts are engineered for those who demand the highest level of reliability. Featuring a 7/16-20 thread and a 2.250-inch length, these bolts provide the extended reach and extreme tensile strength needed for complex engine assemblies.

Why Choose These Fasteners?

  • Superior Tensile Strength
  • 12-Point Head for Easy Access
  • Precision 7/16-20 Threading
  • Durable Chromoly Steel
  • Black Oxide Coating
  • Set of 5

The 12-point head is a favorite among engine builders because it allows for higher torque settings and prevents the tool from slipping during installation. These bolts are ideal for securing heavy-duty components that are subject to constant vibration and thermal expansion. The black oxide finish ensures that these bolts maintain their structural integrity while resisting rust and wear. Whether you are building a custom race engine or performing a high-performance restoration, these bolts provide the security you need to perform with confidence. Experience the difference in quality and precision with components from GGCRACING.

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