Auto Racing Products Stainless Steel Bolt Kit — 1/4-20 x .515 6-Point

SKU: BQDN_621-0515
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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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Polished Stainless Steel 6-Point Bolts

Elevate your engine bay or interior with the clean, professional look of Auto Racing Products stainless steel fasteners. This kit includes five 1/4-20 x .515 inch bolts, meticulously polished for a mirror-like finish that resists rust and corrosion. These 6-point hex head bolts are the perfect blend of aesthetic appeal and functional durability for any custom build.

Key Features and Specs

  • Thread Size: 1/4-20
  • Length: 0.515 inches
  • Head Size: 5/16 inch 6-Point Hex
  • Material: High-Grade Stainless Steel
  • Finish: Polished
  • Quantity: Set of 5

These short-length bolts are ideal for mounting trim, brackets, covers, and various lightweight accessories where a clean appearance is just as important as holding power. Unlike standard zinc-plated bolts that degrade over time, these stainless steel fasteners will maintain their luster through years of exposure. The 6-point design ensures you can apply sufficient torque without slipping, making installation straightforward and secure. Whether you are performing a full restoration or a simple upgrade, these stainless bolts offer the perfect finishing touch. Explore the full range of premium hardware 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

Polished Stainless Steel 6-Point Bolts

Elevate your engine bay or interior with the clean, professional look of Auto Racing Products stainless steel fasteners. This kit includes five 1/4-20 x .515 inch bolts, meticulously polished for a mirror-like finish that resists rust and corrosion. These 6-point hex head bolts are the perfect blend of aesthetic appeal and functional durability for any custom build.

Key Features and Specs

  • Thread Size: 1/4-20
  • Length: 0.515 inches
  • Head Size: 5/16 inch 6-Point Hex
  • Material: High-Grade Stainless Steel
  • Finish: Polished
  • Quantity: Set of 5

These short-length bolts are ideal for mounting trim, brackets, covers, and various lightweight accessories where a clean appearance is just as important as holding power. Unlike standard zinc-plated bolts that degrade over time, these stainless steel fasteners will maintain their luster through years of exposure. The 6-point design ensures you can apply sufficient torque without slipping, making installation straightforward and secure. Whether you are performing a full restoration or a simple upgrade, these stainless bolts offer the perfect finishing touch. Explore the full range of premium hardware 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

Polished Stainless Steel 6-Point Bolts

Elevate your engine bay or interior with the clean, professional look of Auto Racing Products stainless steel fasteners. This kit includes five 1/4-20 x .515 inch bolts, meticulously polished for a mirror-like finish that resists rust and corrosion. These 6-point hex head bolts are the perfect blend of aesthetic appeal and functional durability for any custom build.

Key Features and Specs

  • Thread Size: 1/4-20
  • Length: 0.515 inches
  • Head Size: 5/16 inch 6-Point Hex
  • Material: High-Grade Stainless Steel
  • Finish: Polished
  • Quantity: Set of 5

These short-length bolts are ideal for mounting trim, brackets, covers, and various lightweight accessories where a clean appearance is just as important as holding power. Unlike standard zinc-plated bolts that degrade over time, these stainless steel fasteners will maintain their luster through years of exposure. The 6-point design ensures you can apply sufficient torque without slipping, making installation straightforward and secure. Whether you are performing a full restoration or a simple upgrade, these stainless bolts offer the perfect finishing touch. Explore the full range of premium hardware available at GGCRACING.

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