ARP
ARP Main Stud Kit Duratec 2.3L — Fits 2003+ Ford Engines
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ARP Main Stud Kit Duratec 2.3L — Fits 2003+ Ford Engines
ARP

ARP Main Stud Kit Duratec 2.3L — Fits 2003+ Ford Engines

SKU: ARP151-5405

About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read more

Price:
$134.99
1340 ENTRIES10X
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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

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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

Maximum Bottom-End Stability for Duratec 2.3L

The Ford Duratec 2.3L engine is a robust platform, but when you start adding forced induction or high-compression internals, the factory main bolts reach their limit. The ARP 151-5405 Main Stud Kit provides the necessary clamping force to keep your main caps locked in place, preventing cap walk and ensuring your crankshaft remains perfectly aligned.

Why Upgrade to ARP Main Studs?

  • High-Tensile Strength: Manufactured from premium 8740 chromoly steel to handle extreme stress.
  • Precision Threads: Rolled threads provide a more accurate torque reading and increased fatigue resistance.
  • Engine Longevity: Helps maintain bearing clearances by preventing main cap movement under load.
  • Engineered for Duratec: Specifically designed for the 2.3L Duratec engine architecture.

Installing this kit is a critical step for any serious engine build. By providing a more secure foundation for your crankshaft, you reduce the risk of catastrophic engine failure during high-performance use. Each kit comes complete with high-quality nuts and washers, ready for installation. Don't compromise on your engine's foundation; choose the reliability of ARP. Explore our full range of engine performance hardware and upgrade your vehicle today at GGCRACING.

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

Maximum Bottom-End Stability for Duratec 2.3L

The Ford Duratec 2.3L engine is a robust platform, but when you start adding forced induction or high-compression internals, the factory main bolts reach their limit. The ARP 151-5405 Main Stud Kit provides the necessary clamping force to keep your main caps locked in place, preventing cap walk and ensuring your crankshaft remains perfectly aligned.

Why Upgrade to ARP Main Studs?

  • High-Tensile Strength: Manufactured from premium 8740 chromoly steel to handle extreme stress.
  • Precision Threads: Rolled threads provide a more accurate torque reading and increased fatigue resistance.
  • Engine Longevity: Helps maintain bearing clearances by preventing main cap movement under load.
  • Engineered for Duratec: Specifically designed for the 2.3L Duratec engine architecture.

Installing this kit is a critical step for any serious engine build. By providing a more secure foundation for your crankshaft, you reduce the risk of catastrophic engine failure during high-performance use. Each kit comes complete with high-quality nuts and washers, ready for installation. Don't compromise on your engine's foundation; choose the reliability of ARP. Explore our full range of engine performance hardware and upgrade your vehicle today at GGCRACING.

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