ARP Head Stud Kit 204-3902 1.8L Turbo w/ Tool — Fits 1999-2006 VW Audi

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SKU: ARP204-3902

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

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Sale price$219.99 Regular price$226.83
2190 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

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.

ARP 1.8L Turbo 20V Head Stud Kit with Tool

The ARP 204-3902 Head Stud Kit is the gold standard for securing the cylinder head on 1.8L Turbo engines. This kit includes the necessary installation tool, making it an essential choice for enthusiasts and professional engine builders working on Audi and Volkswagen 1.8T platforms. By replacing factory bolts with these high-tensile studs, you ensure uniform clamping force and superior gasket retention.

Why Choose ARP Studs?

  • Includes custom installation tool for easier assembly
  • Premium 8740 chromoly steel for maximum durability
  • Prevents head lift in high-horsepower applications
  • Optimal torque distribution across the cylinder head
  • Essential for modified 1.8T engines running increased boost

When pushing your 1.8T engine beyond factory specifications, stock bolts often reach their limit. The ARP 204-3902 kit provides the necessary overhead to handle aggressive tuning, ensuring your engine remains sealed under extreme conditions. The included tool simplifies the installation process, allowing for precise torque application. Upgrade your engine's integrity today with this comprehensive stud kit from 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.

ARP 1.8L Turbo 20V Head Stud Kit with Tool

The ARP 204-3902 Head Stud Kit is the gold standard for securing the cylinder head on 1.8L Turbo engines. This kit includes the necessary installation tool, making it an essential choice for enthusiasts and professional engine builders working on Audi and Volkswagen 1.8T platforms. By replacing factory bolts with these high-tensile studs, you ensure uniform clamping force and superior gasket retention.

Why Choose ARP Studs?

  • Includes custom installation tool for easier assembly
  • Premium 8740 chromoly steel for maximum durability
  • Prevents head lift in high-horsepower applications
  • Optimal torque distribution across the cylinder head
  • Essential for modified 1.8T engines running increased boost

When pushing your 1.8T engine beyond factory specifications, stock bolts often reach their limit. The ARP 204-3902 kit provides the necessary overhead to handle aggressive tuning, ensuring your engine remains sealed under extreme conditions. The included tool simplifies the installation process, allowing for precise torque application. Upgrade your engine's integrity today with this comprehensive stud kit from GGCRACING.

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