ARP 204-4101 Head Stud Kit for Volkswagen 1.8L Turbo 20V (M11, No Tool)

Vehicle Fitment

• 1997-2005 Volkswagen Passat (B5)
• 1997-2005 Audi A4 (B5)
• 1997-2005 Audi A3
• 1997-2005 Audi TT

Features

• Forged from premium-grade 8740 chromoly steel
• Heat-treated to a nominal tensile strength of 200,000 psi
• Precision CNC-machined to exacting specifications
• 12-point head style for improved wrenching access
• Thread size: M11 x 1.5
• Underhead length: 1.180 inches
• Black oxide finish for corrosion resistance
• Includes all necessary nuts and washers for installation

Specifications

• Socket Size: 10mm tri-square, internal, 3/16 Allen
• Material: 8740 chromoly steel
• Tensile Strength: 200,000 psi
• Thread Type: Rolled threads
• Compatibility: OEM cylinder heads
• Drivetrain: FWD, AWD

Included Components

• 10x Head studs
• 10x Nuts
• 10x Washers
• 1x Installation instructions

Product Description

The ARP 204-4101 Head Stud Kit is engineered for Volkswagen and Audi 1.8L turbo 20V engines equipped with M11 threaded blocks. This kit is ideal for enthusiasts and professionals seeking to replace the factory torque-to-yield (TTY) bolts with high-performance fasteners that offer superior strength and reliability.

Constructed from premium-grade 8740 chromoly steel and heat-treated to a tensile strength of 200,000 psi, these studs provide a 40% increase in tensile strength over OEM TTY bolts. The precision CNC-machining ensures exacting specifications, while the 12-point head style allows for improved wrenching access. The black oxide finish provides corrosion resistance, ensuring long-lasting performance.

The kit includes all necessary nuts and washers for installation, making it a comprehensive solution for upgrading your cylinder head fasteners. Whether you're building a high-performance street engine or preparing for track use, the ARP 204-4101 Head Stud Kit delivers the strength and reliability needed for demanding applications.