ARP EJ Series Phase 2 SOHC Head Stud Kit — Fits 1999-2005 Subaru EJ Engines

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SKU: ARP260-4702

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

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Sale price$311.60 Regular price$321.67
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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

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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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Ultimate Reliability for Subaru SOHC Engines

The ARP EJ Series Phase 2 SOHC Head Stud Kit (Part #260-4702) is engineered to provide the superior clamping force required for high-performance Subaru EJ-series engines. Whether you are performing a routine head gasket replacement or building a high-output engine, these studs are the industry standard for preventing head lift and ensuring a perfect seal under extreme cylinder pressures.

Key Features and Benefits

  • High-Tensile Strength: Manufactured from premium 8740 chromoly steel, heat-treated to provide exceptional durability.
  • Precision Threads: Rolled threads ensure consistent torque and prevent galling during installation.
  • Superior Clamping: Provides significantly more clamping force than standard OEM bolts, critical for modified engines.
  • Complete Kit: Includes high-quality nuts and hardened parallel washers for a complete, professional-grade installation.

Designed specifically for 1999-2005 Subaru SOHC EJ engines, including the Forester, Impreza, Legacy, and Baja models, this kit is an essential upgrade for any enthusiast looking to improve engine longevity. The increased preload ensures that the cylinder head stays seated firmly against the block, even under heavy load or increased boost levels. By upgrading to ARP hardware, you eliminate the common failure points associated with factory torque-to-yield bolts. Trust your engine build to the industry leader in fastener technology. For all your high-performance engine needs, choose 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

Ultimate Reliability for Subaru SOHC Engines

The ARP EJ Series Phase 2 SOHC Head Stud Kit (Part #260-4702) is engineered to provide the superior clamping force required for high-performance Subaru EJ-series engines. Whether you are performing a routine head gasket replacement or building a high-output engine, these studs are the industry standard for preventing head lift and ensuring a perfect seal under extreme cylinder pressures.

Key Features and Benefits

  • High-Tensile Strength: Manufactured from premium 8740 chromoly steel, heat-treated to provide exceptional durability.
  • Precision Threads: Rolled threads ensure consistent torque and prevent galling during installation.
  • Superior Clamping: Provides significantly more clamping force than standard OEM bolts, critical for modified engines.
  • Complete Kit: Includes high-quality nuts and hardened parallel washers for a complete, professional-grade installation.

Designed specifically for 1999-2005 Subaru SOHC EJ engines, including the Forester, Impreza, Legacy, and Baja models, this kit is an essential upgrade for any enthusiast looking to improve engine longevity. The increased preload ensures that the cylinder head stays seated firmly against the block, even under heavy load or increased boost levels. By upgrading to ARP hardware, you eliminate the common failure points associated with factory torque-to-yield bolts. Trust your engine build to the industry leader in fastener technology. For all your high-performance engine needs, choose GGCRACING.

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