Auto Racing Products 12-Point Stainless Steel Bolt Kit — 1/4-20 x 3.250 Universal Fasteners

SKU: BQDN_611-3250
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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

High-Strength 12-Point Fasteners

Ensure your engine components are locked down with precision using this Auto Racing Products 1/4-20 x 3.250 bolt kit. Designed for versatility and durability, these 12-point fasteners are the ideal choice for automotive enthusiasts looking to replace worn-out hardware with high-performance stainless steel alternatives. The polished finish provides a clean, professional look that stands up to the harsh environment of an engine bay.

Key Features & Benefits

  • Precision 1/4-20 threading for universal fitment
  • 3.250-inch length for specific clearance needs
  • 12-point head design for superior torque application
  • Corrosion-resistant stainless steel construction
  • Includes 5 high-quality bolts per package

The 12-point head profile is specifically engineered to prevent rounding and allow for easier access in tight spaces where a standard hex socket might struggle. By upgrading to these stainless steel bolts, you gain peace of mind knowing your critical engine components are held by hardware designed for the rigors of racing. Whether you are working on a street machine or a dedicated track car, these bolts provide the reliability you need. Find the best automotive hardware solutions 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

High-Strength 12-Point Fasteners

Ensure your engine components are locked down with precision using this Auto Racing Products 1/4-20 x 3.250 bolt kit. Designed for versatility and durability, these 12-point fasteners are the ideal choice for automotive enthusiasts looking to replace worn-out hardware with high-performance stainless steel alternatives. The polished finish provides a clean, professional look that stands up to the harsh environment of an engine bay.

Key Features & Benefits

  • Precision 1/4-20 threading for universal fitment
  • 3.250-inch length for specific clearance needs
  • 12-point head design for superior torque application
  • Corrosion-resistant stainless steel construction
  • Includes 5 high-quality bolts per package

The 12-point head profile is specifically engineered to prevent rounding and allow for easier access in tight spaces where a standard hex socket might struggle. By upgrading to these stainless steel bolts, you gain peace of mind knowing your critical engine components are held by hardware designed for the rigors of racing. Whether you are working on a street machine or a dedicated track car, these bolts provide the reliability you need. Find the best automotive hardware solutions 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

High-Strength 12-Point Fasteners

Ensure your engine components are locked down with precision using this Auto Racing Products 1/4-20 x 3.250 bolt kit. Designed for versatility and durability, these 12-point fasteners are the ideal choice for automotive enthusiasts looking to replace worn-out hardware with high-performance stainless steel alternatives. The polished finish provides a clean, professional look that stands up to the harsh environment of an engine bay.

Key Features & Benefits

  • Precision 1/4-20 threading for universal fitment
  • 3.250-inch length for specific clearance needs
  • 12-point head design for superior torque application
  • Corrosion-resistant stainless steel construction
  • Includes 5 high-quality bolts per package

The 12-point head profile is specifically engineered to prevent rounding and allow for easier access in tight spaces where a standard hex socket might struggle. By upgrading to these stainless steel bolts, you gain peace of mind knowing your critical engine components are held by hardware designed for the rigors of racing. Whether you are working on a street machine or a dedicated track car, these bolts provide the reliability you need. Find the best automotive hardware solutions at GGCRACING.

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