Auto Racing Products Main Stud Kit Hex Nut — Fits BMC 4-Cylinder

SKU: BQDN_206-5402
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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 Main Studs for BMC 4-Cylinder

When building a high-performance engine, the stability of your crankshaft is paramount. Auto Racing Products (ARP) Main Stud Kits are the industry choice for securing main caps in BMC 4-cylinder engines. These studs are engineered to withstand the extreme loads of high-RPM operation, ensuring your main caps do not shift or walk under load. This kit is specifically tailored for 2-bolt main setups, providing a robust solution for engine builders.

Why Upgrade to ARP Main Studs?

  • Application: BMC 4-Cylinder (2-Bolt Mains)
  • Material: High-strength 8740 Chromoly Steel
  • Hardware: Durable Hex Nuts
  • Finish: Black Oxide coating
  • Benefit: Improved clamping force and block thread longevity

Unlike standard bolts, ARP studs are designed to be installed into the block without damaging the threads, allowing for repeated engine teardowns without compromising the block's integrity. The precision-rolled threads ensure consistent torque values, which is critical for maintaining proper main bearing clearances. By upgrading to these studs, you are investing in the long-term health of your engine's rotating assembly. Whether you are restoring a classic BMC engine or pushing the limits of performance, ARP provides the reliability you need. Check out our extensive inventory of engine components and professional-grade 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.

Watch in action

Professional Grade Main Studs for BMC 4-Cylinder

When building a high-performance engine, the stability of your crankshaft is paramount. Auto Racing Products (ARP) Main Stud Kits are the industry choice for securing main caps in BMC 4-cylinder engines. These studs are engineered to withstand the extreme loads of high-RPM operation, ensuring your main caps do not shift or walk under load. This kit is specifically tailored for 2-bolt main setups, providing a robust solution for engine builders.

Why Upgrade to ARP Main Studs?

  • Application: BMC 4-Cylinder (2-Bolt Mains)
  • Material: High-strength 8740 Chromoly Steel
  • Hardware: Durable Hex Nuts
  • Finish: Black Oxide coating
  • Benefit: Improved clamping force and block thread longevity

Unlike standard bolts, ARP studs are designed to be installed into the block without damaging the threads, allowing for repeated engine teardowns without compromising the block's integrity. The precision-rolled threads ensure consistent torque values, which is critical for maintaining proper main bearing clearances. By upgrading to these studs, you are investing in the long-term health of your engine's rotating assembly. Whether you are restoring a classic BMC engine or pushing the limits of performance, ARP provides the reliability you need. Check out our extensive inventory of engine components and professional-grade 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.

Watch in action

Professional Grade Main Studs for BMC 4-Cylinder

When building a high-performance engine, the stability of your crankshaft is paramount. Auto Racing Products (ARP) Main Stud Kits are the industry choice for securing main caps in BMC 4-cylinder engines. These studs are engineered to withstand the extreme loads of high-RPM operation, ensuring your main caps do not shift or walk under load. This kit is specifically tailored for 2-bolt main setups, providing a robust solution for engine builders.

Why Upgrade to ARP Main Studs?

  • Application: BMC 4-Cylinder (2-Bolt Mains)
  • Material: High-strength 8740 Chromoly Steel
  • Hardware: Durable Hex Nuts
  • Finish: Black Oxide coating
  • Benefit: Improved clamping force and block thread longevity

Unlike standard bolts, ARP studs are designed to be installed into the block without damaging the threads, allowing for repeated engine teardowns without compromising the block's integrity. The precision-rolled threads ensure consistent torque values, which is critical for maintaining proper main bearing clearances. By upgrading to these studs, you are investing in the long-term health of your engine's rotating assembly. Whether you are restoring a classic BMC engine or pushing the limits of performance, ARP provides the reliability you need. Check out our extensive inventory of engine components and professional-grade hardware at GGCRACING.

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