ARP 12-Point Black Oxide Bolt 3/8-16 x 1.000 — Performance Fastener

SKU: ARP642-1000
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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.

High-Strength ARP 3/8-16 12-Point Bolts

Upgrade your vehicle's hardware with the precision-engineered ARP 3/8-16 x 1.000 12-point black oxide bolt. Designed to exceed the requirements of high-performance engines, these bolts provide exceptional clamping force and reliability. The 12-point head design is specifically engineered for high-torque applications, allowing for a tighter, more secure fit while providing a professional, race-inspired look to your engine bay.

Key Features and Technical Benefits

  • High-Tensile Strength: Engineered to withstand extreme heat, pressure, and vibration.
  • 12-Point Design: Facilitates easier tool engagement and higher torque settings compared to standard hex bolts.
  • Black Oxide Finish: Provides a sleek, low-profile aesthetic that is highly resistant to engine bay wear.
  • Precision Machining: Exact 3/8-16 thread pitch ensures smooth installation and a perfect fit every time.
  • Versatile Application: Ideal for critical engine components, chassis mounting, and custom fabrication projects.

When you are pushing your engine to the limit, you need hardware that won't let you down. ARP has built a reputation for excellence by providing fasteners that professional racers and builders trust worldwide. These black oxide bolts are not just about looks; they are about performance and peace of mind. Whether you are replacing old, worn-out hardware or completing a custom build, these 3/8-16 bolts provide the strength and quality you need. Shop with confidence and find all your performance automotive needs 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.

High-Strength ARP 3/8-16 12-Point Bolts

Upgrade your vehicle's hardware with the precision-engineered ARP 3/8-16 x 1.000 12-point black oxide bolt. Designed to exceed the requirements of high-performance engines, these bolts provide exceptional clamping force and reliability. The 12-point head design is specifically engineered for high-torque applications, allowing for a tighter, more secure fit while providing a professional, race-inspired look to your engine bay.

Key Features and Technical Benefits

  • High-Tensile Strength: Engineered to withstand extreme heat, pressure, and vibration.
  • 12-Point Design: Facilitates easier tool engagement and higher torque settings compared to standard hex bolts.
  • Black Oxide Finish: Provides a sleek, low-profile aesthetic that is highly resistant to engine bay wear.
  • Precision Machining: Exact 3/8-16 thread pitch ensures smooth installation and a perfect fit every time.
  • Versatile Application: Ideal for critical engine components, chassis mounting, and custom fabrication projects.

When you are pushing your engine to the limit, you need hardware that won't let you down. ARP has built a reputation for excellence by providing fasteners that professional racers and builders trust worldwide. These black oxide bolts are not just about looks; they are about performance and peace of mind. Whether you are replacing old, worn-out hardware or completing a custom build, these 3/8-16 bolts provide the strength and quality you need. Shop with confidence and find all your performance automotive needs 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.

High-Strength ARP 3/8-16 12-Point Bolts

Upgrade your vehicle's hardware with the precision-engineered ARP 3/8-16 x 1.000 12-point black oxide bolt. Designed to exceed the requirements of high-performance engines, these bolts provide exceptional clamping force and reliability. The 12-point head design is specifically engineered for high-torque applications, allowing for a tighter, more secure fit while providing a professional, race-inspired look to your engine bay.

Key Features and Technical Benefits

  • High-Tensile Strength: Engineered to withstand extreme heat, pressure, and vibration.
  • 12-Point Design: Facilitates easier tool engagement and higher torque settings compared to standard hex bolts.
  • Black Oxide Finish: Provides a sleek, low-profile aesthetic that is highly resistant to engine bay wear.
  • Precision Machining: Exact 3/8-16 thread pitch ensures smooth installation and a perfect fit every time.
  • Versatile Application: Ideal for critical engine components, chassis mounting, and custom fabrication projects.

When you are pushing your engine to the limit, you need hardware that won't let you down. ARP has built a reputation for excellence by providing fasteners that professional racers and builders trust worldwide. These black oxide bolts are not just about looks; they are about performance and peace of mind. Whether you are replacing old, worn-out hardware or completing a custom build, these 3/8-16 bolts provide the strength and quality you need. Shop with confidence and find all your performance automotive needs at GGCRACING.

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