Auto Racing Products 12pt Stainless Steel Bolt Kit (5) 3/8-16 x 3.250

SKU: BQDN_613-3250
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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.

Maximum Reliability: Auto Racing Products 12pt Stainless Steel Bolt Kit (5) 3/8-16 x 3.250

Achieve uncompromising strength and a show-quality finish with the Auto Racing Products 12-point stainless steel bolt kit, featuring five meticulously crafted 3/8-16 x 3.250 inch fasteners. Engineered for the most demanding automotive environments, these bolts deliver superior clamping force and a brilliant polished aesthetic, essential for high-performance builds where every detail counts. Elevate your project with hardware designed for excellence.

Engineered Precision for Critical Applications

Fabricated from top-tier stainless steel, these ARP bolts offer exceptional resistance to corrosion, rust, and fatigue, guaranteeing enduring reliability in any condition. The precision-engineered 12-point head provides optimal torque transfer and a clean, low-profile appearance, making them perfect for applications where both function and form are critical. This advanced design ensures maximum contact with your wrench, preventing rounding and ensuring a secure fit. Each bolt is precisely 3.250 inches in length with a 3/8-16 inch thread for robust engagement and unwavering stability.

Broad Versatility for Every Builder

This versatile universal bolt kit is perfectly suited for a broad range of automotive tasks, including securing engine components, chassis bracing, suspension linkages, and custom fabrication. Its adaptable design ensures compatibility across various projects, providing a dependable fastening solution without the need for specific vehicle fitment. Whether you're building a drag car, an off-road beast, or a custom showpiece, these bolts offer the strength and flexibility required.

Key Product Details:

  • Thread Specification: 3/8-16 inches
  • Overall Length: 3.250 inches
  • Head Configuration: 12-Point
  • Material Composition: Polished Stainless Steel
  • Kit Contents: 5 bolts

Why ARP is the Benchmark for Fasteners

When only the best will do, choose Auto Racing Products for your fastening needs. These stainless steel bolts are engineered for maximum durability and a stunning polished finish that elevates any assembly. The 12-point head design ensures a secure, slip-free installation and removal, providing confidence in critical connections. Experience the difference of premium ARP hardware, trusted by professionals and enthusiasts alike for its superior quality, aesthetic appeal, and long-term performance in the most demanding automotive applications.

Find all your high-performance automotive hardware 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.

Maximum Reliability: Auto Racing Products 12pt Stainless Steel Bolt Kit (5) 3/8-16 x 3.250

Achieve uncompromising strength and a show-quality finish with the Auto Racing Products 12-point stainless steel bolt kit, featuring five meticulously crafted 3/8-16 x 3.250 inch fasteners. Engineered for the most demanding automotive environments, these bolts deliver superior clamping force and a brilliant polished aesthetic, essential for high-performance builds where every detail counts. Elevate your project with hardware designed for excellence.

Engineered Precision for Critical Applications

Fabricated from top-tier stainless steel, these ARP bolts offer exceptional resistance to corrosion, rust, and fatigue, guaranteeing enduring reliability in any condition. The precision-engineered 12-point head provides optimal torque transfer and a clean, low-profile appearance, making them perfect for applications where both function and form are critical. This advanced design ensures maximum contact with your wrench, preventing rounding and ensuring a secure fit. Each bolt is precisely 3.250 inches in length with a 3/8-16 inch thread for robust engagement and unwavering stability.

Broad Versatility for Every Builder

This versatile universal bolt kit is perfectly suited for a broad range of automotive tasks, including securing engine components, chassis bracing, suspension linkages, and custom fabrication. Its adaptable design ensures compatibility across various projects, providing a dependable fastening solution without the need for specific vehicle fitment. Whether you're building a drag car, an off-road beast, or a custom showpiece, these bolts offer the strength and flexibility required.

Key Product Details:

  • Thread Specification: 3/8-16 inches
  • Overall Length: 3.250 inches
  • Head Configuration: 12-Point
  • Material Composition: Polished Stainless Steel
  • Kit Contents: 5 bolts

Why ARP is the Benchmark for Fasteners

When only the best will do, choose Auto Racing Products for your fastening needs. These stainless steel bolts are engineered for maximum durability and a stunning polished finish that elevates any assembly. The 12-point head design ensures a secure, slip-free installation and removal, providing confidence in critical connections. Experience the difference of premium ARP hardware, trusted by professionals and enthusiasts alike for its superior quality, aesthetic appeal, and long-term performance in the most demanding automotive applications.

Find all your high-performance automotive hardware 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.

Maximum Reliability: Auto Racing Products 12pt Stainless Steel Bolt Kit (5) 3/8-16 x 3.250

Achieve uncompromising strength and a show-quality finish with the Auto Racing Products 12-point stainless steel bolt kit, featuring five meticulously crafted 3/8-16 x 3.250 inch fasteners. Engineered for the most demanding automotive environments, these bolts deliver superior clamping force and a brilliant polished aesthetic, essential for high-performance builds where every detail counts. Elevate your project with hardware designed for excellence.

Engineered Precision for Critical Applications

Fabricated from top-tier stainless steel, these ARP bolts offer exceptional resistance to corrosion, rust, and fatigue, guaranteeing enduring reliability in any condition. The precision-engineered 12-point head provides optimal torque transfer and a clean, low-profile appearance, making them perfect for applications where both function and form are critical. This advanced design ensures maximum contact with your wrench, preventing rounding and ensuring a secure fit. Each bolt is precisely 3.250 inches in length with a 3/8-16 inch thread for robust engagement and unwavering stability.

Broad Versatility for Every Builder

This versatile universal bolt kit is perfectly suited for a broad range of automotive tasks, including securing engine components, chassis bracing, suspension linkages, and custom fabrication. Its adaptable design ensures compatibility across various projects, providing a dependable fastening solution without the need for specific vehicle fitment. Whether you're building a drag car, an off-road beast, or a custom showpiece, these bolts offer the strength and flexibility required.

Key Product Details:

  • Thread Specification: 3/8-16 inches
  • Overall Length: 3.250 inches
  • Head Configuration: 12-Point
  • Material Composition: Polished Stainless Steel
  • Kit Contents: 5 bolts

Why ARP is the Benchmark for Fasteners

When only the best will do, choose Auto Racing Products for your fastening needs. These stainless steel bolts are engineered for maximum durability and a stunning polished finish that elevates any assembly. The 12-point head design ensures a secure, slip-free installation and removal, providing confidence in critical connections. Experience the difference of premium ARP hardware, trusted by professionals and enthusiasts alike for its superior quality, aesthetic appeal, and long-term performance in the most demanding automotive applications.

Find all your high-performance automotive hardware at GGCRACING.

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