ARP Main Cap Side Bolt Kit M8 — Fits Early Ford Modular Aluminum Block V8

SKU: ARP156-5001
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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.

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High-Strength ARP Main Cap Side Bolt Kit for Ford Modular V8

Ensure your engine's structural integrity with the ARP M8 Main Cap Side Bolt Kit, specifically engineered for early Ford Modular aluminum block V8 engines. When building a high-performance engine, stock fasteners often fail to provide the clamping force required to handle increased horsepower and torque. ARP utilizes premium 8740 chromoly steel, heat-treated to provide superior tensile strength and fatigue resistance compared to OEM hardware.

Why Choose ARP Fasteners?

  • Precision-machined threads for consistent clamping force
  • Superior 8740 chromoly steel construction
  • Black oxide finish for corrosion resistance
  • Designed specifically for early aluminum block Ford Modular engines
  • Ensures main cap stability under extreme load

This kit is essential for engine builders looking to prevent main cap walk and bearing failure. By providing uniform load distribution across the main caps, these bolts help maintain critical bearing clearances, which is vital for the longevity of your high-revving Ford V8. Whether you are performing a street performance build or a track-ready overhaul, these bolts offer the peace of mind that your bottom end is secured with professional-grade hardware. Installation is straightforward, following standard torque specifications to ensure optimal preload. Trust your engine build to the industry leader in fastener technology. Find all your high-performance engine hardware 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.

Watch in action

High-Strength ARP Main Cap Side Bolt Kit for Ford Modular V8

Ensure your engine's structural integrity with the ARP M8 Main Cap Side Bolt Kit, specifically engineered for early Ford Modular aluminum block V8 engines. When building a high-performance engine, stock fasteners often fail to provide the clamping force required to handle increased horsepower and torque. ARP utilizes premium 8740 chromoly steel, heat-treated to provide superior tensile strength and fatigue resistance compared to OEM hardware.

Why Choose ARP Fasteners?

  • Precision-machined threads for consistent clamping force
  • Superior 8740 chromoly steel construction
  • Black oxide finish for corrosion resistance
  • Designed specifically for early aluminum block Ford Modular engines
  • Ensures main cap stability under extreme load

This kit is essential for engine builders looking to prevent main cap walk and bearing failure. By providing uniform load distribution across the main caps, these bolts help maintain critical bearing clearances, which is vital for the longevity of your high-revving Ford V8. Whether you are performing a street performance build or a track-ready overhaul, these bolts offer the peace of mind that your bottom end is secured with professional-grade hardware. Installation is straightforward, following standard torque specifications to ensure optimal preload. Trust your engine build to the industry leader in fastener technology. Find all your high-performance engine hardware 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.

Watch in action

High-Strength ARP Main Cap Side Bolt Kit for Ford Modular V8

Ensure your engine's structural integrity with the ARP M8 Main Cap Side Bolt Kit, specifically engineered for early Ford Modular aluminum block V8 engines. When building a high-performance engine, stock fasteners often fail to provide the clamping force required to handle increased horsepower and torque. ARP utilizes premium 8740 chromoly steel, heat-treated to provide superior tensile strength and fatigue resistance compared to OEM hardware.

Why Choose ARP Fasteners?

  • Precision-machined threads for consistent clamping force
  • Superior 8740 chromoly steel construction
  • Black oxide finish for corrosion resistance
  • Designed specifically for early aluminum block Ford Modular engines
  • Ensures main cap stability under extreme load

This kit is essential for engine builders looking to prevent main cap walk and bearing failure. By providing uniform load distribution across the main caps, these bolts help maintain critical bearing clearances, which is vital for the longevity of your high-revving Ford V8. Whether you are performing a street performance build or a track-ready overhaul, these bolts offer the peace of mind that your bottom end is secured with professional-grade hardware. Installation is straightforward, following standard torque specifications to ensure optimal preload. Trust your engine build to the industry leader in fastener technology. Find all your high-performance engine hardware at GGCRACING.

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