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ARP Ford 2.3L Duratec Head Stud Kit — Fits 2003-2007 Focus
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ARP Ford 2.3L Duratec Head Stud Kit — Fits 2003-2007 Focus
ARP

ARP Ford 2.3L Duratec Head Stud Kit — Fits 2003-2007 Focus

SKU: ARP151-4204

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

Price:
$192.99
1920 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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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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Professional-Grade Head Studs for Ford 2.3L Duratec

Ensure your Ford 2.3L Duratec engine stays sealed under the most demanding conditions with the ARP Head Stud Kit. Designed to fit a wide range of 2003-2007 Ford Focus models, these studs are the ultimate upgrade for enthusiasts looking to prevent head gasket failure. Whether you are running forced induction or a high-compression naturally aspirated setup, these studs provide the clamping force necessary to keep your cylinder head firmly in place.

Fitment and Technical Specifications

  • Vehicle Compatibility: Fits 2003-2004 Focus LX, SE, ZTS, ZTW, ZX3, ZX5; 2005-2006 ZX4 ST; 2007 Focus ST.
  • Material: Forged 8740 chromoly steel for maximum structural integrity.
  • Torque Accuracy: Studs allow for more precise torque loading compared to standard bolts.
  • Reusability: Can be removed and reinstalled without compromising fastener strength.
  • Includes: Complete set of studs, nuts, and hardened washers for a direct-fit installation.

The Duratec 2.3L is a capable platform, but factory head bolts can stretch under high-performance stress. By switching to ARP, you eliminate the risk of gasket failure caused by head lift. This kit is a must-have for any performance build, offering the reliability and strength that professional engine builders demand. Get the best for your Ford Focus engine by shopping the selection of premium hardware available 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

Professional-Grade Head Studs for Ford 2.3L Duratec

Ensure your Ford 2.3L Duratec engine stays sealed under the most demanding conditions with the ARP Head Stud Kit. Designed to fit a wide range of 2003-2007 Ford Focus models, these studs are the ultimate upgrade for enthusiasts looking to prevent head gasket failure. Whether you are running forced induction or a high-compression naturally aspirated setup, these studs provide the clamping force necessary to keep your cylinder head firmly in place.

Fitment and Technical Specifications

  • Vehicle Compatibility: Fits 2003-2004 Focus LX, SE, ZTS, ZTW, ZX3, ZX5; 2005-2006 ZX4 ST; 2007 Focus ST.
  • Material: Forged 8740 chromoly steel for maximum structural integrity.
  • Torque Accuracy: Studs allow for more precise torque loading compared to standard bolts.
  • Reusability: Can be removed and reinstalled without compromising fastener strength.
  • Includes: Complete set of studs, nuts, and hardened washers for a direct-fit installation.

The Duratec 2.3L is a capable platform, but factory head bolts can stretch under high-performance stress. By switching to ARP, you eliminate the risk of gasket failure caused by head lift. This kit is a must-have for any performance build, offering the reliability and strength that professional engine builders demand. Get the best for your Ford Focus engine by shopping the selection of premium hardware available at GGCRACING.

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