ARP Ford 1.8L Duratec Pro Series Rod Bolt Kit — Fits Duratec Engines

SKU: ARP251-6202
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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.

Watch in action

High-RPM Reliability for Duratec Engines

The ARP 251-6202 Rod Bolt Kit is a must-have for any performance-oriented 1.8L Duratec engine build. Connecting rod bolts are among the most stressed fasteners in an engine, responsible for holding the rod caps together at extreme RPMs. Factory bolts are often insufficient for high-performance use, but these ARP bolts are designed to handle the increased load and vibration of a modified engine.

Technical Excellence

  • Material: Premium 8740 chromoly steel
  • Strength: Significantly higher tensile strength than OEM rod bolts
  • Design: Specifically engineered for the 1.8L Duratec connecting rods
  • Fatigue Resistance: Threads rolled after heat treatment to prevent failure
  • Performance: Essential for high-RPM and racing applications

By upgrading to these ARP rod bolts, you significantly reduce the risk of catastrophic engine failure due to rod bolt stretch or breakage. These bolts provide the consistent clamping force required to keep your bearings seated correctly, even when pushing your engine to its rev limit. Every kit is carefully manufactured to meet the rigorous standards that ARP is famous for, ensuring that your engine can perform reliably on the track or the street. Don't risk your engine build with weak factory hardware; choose the proven strength of ARP rod bolts. Get your high-performance engine components delivered fast from 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-RPM Reliability for Duratec Engines

The ARP 251-6202 Rod Bolt Kit is a must-have for any performance-oriented 1.8L Duratec engine build. Connecting rod bolts are among the most stressed fasteners in an engine, responsible for holding the rod caps together at extreme RPMs. Factory bolts are often insufficient for high-performance use, but these ARP bolts are designed to handle the increased load and vibration of a modified engine.

Technical Excellence

  • Material: Premium 8740 chromoly steel
  • Strength: Significantly higher tensile strength than OEM rod bolts
  • Design: Specifically engineered for the 1.8L Duratec connecting rods
  • Fatigue Resistance: Threads rolled after heat treatment to prevent failure
  • Performance: Essential for high-RPM and racing applications

By upgrading to these ARP rod bolts, you significantly reduce the risk of catastrophic engine failure due to rod bolt stretch or breakage. These bolts provide the consistent clamping force required to keep your bearings seated correctly, even when pushing your engine to its rev limit. Every kit is carefully manufactured to meet the rigorous standards that ARP is famous for, ensuring that your engine can perform reliably on the track or the street. Don't risk your engine build with weak factory hardware; choose the proven strength of ARP rod bolts. Get your high-performance engine components delivered fast from 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-RPM Reliability for Duratec Engines

The ARP 251-6202 Rod Bolt Kit is a must-have for any performance-oriented 1.8L Duratec engine build. Connecting rod bolts are among the most stressed fasteners in an engine, responsible for holding the rod caps together at extreme RPMs. Factory bolts are often insufficient for high-performance use, but these ARP bolts are designed to handle the increased load and vibration of a modified engine.

Technical Excellence

  • Material: Premium 8740 chromoly steel
  • Strength: Significantly higher tensile strength than OEM rod bolts
  • Design: Specifically engineered for the 1.8L Duratec connecting rods
  • Fatigue Resistance: Threads rolled after heat treatment to prevent failure
  • Performance: Essential for high-RPM and racing applications

By upgrading to these ARP rod bolts, you significantly reduce the risk of catastrophic engine failure due to rod bolt stretch or breakage. These bolts provide the consistent clamping force required to keep your bearings seated correctly, even when pushing your engine to its rev limit. Every kit is carefully manufactured to meet the rigorous standards that ARP is famous for, ensuring that your engine can perform reliably on the track or the street. Don't risk your engine build with weak factory hardware; choose the proven strength of ARP rod bolts. Get your high-performance engine components delivered fast from GGCRACING.

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