ARP 204-5801 Main Stud Kit for 2000-2005 Audi 2.7L Bi-Turbo V6 (Quattro)

Vehicle Fitment

• 2000-2004 Audi A6 Quattro (Base, 2.7L Bi-Turbo V6, AWD)
• 2001-2005 Audi Allroad Quattro (Base, 2.7L Bi-Turbo V6, AWD)
• 2000-2002 Audi S4 (Base, Avant & Sedan, 2.7L Bi-Turbo V6, AWD)

Features

• 8740 chrome-moly steel studs for enhanced strength
• In-house heat-treatment for ~190,000-200,000 psi tensile strength
• Precision J-form threads rolled after heat treatment
• Helps prevent main cap walk and fretting
• Preserves engine block threads during rebuilds
• Includes hardened parallel-ground washers and high-strength nuts
• Windage tray provisions supported (via standoff studs with lock nuts)
• Reusable hardware ideal for performance or high-stress applications

Specifications

• Main Bolt Style: 4-bolt stud kit
• Socket Sizes: 10 mm 12-point, ½" 12-point, 3/16" Allen
• Material: 8740 chrome-moly steel
• Tensile Strength: ~190,000-200,000 psi
• Finish: Black oxide (ARP standard)

Included Components

• 1x complete stud kit including studs, washers, and nuts (exact count per ARP specification)

Product Description

The ARP 204-5801 Main Stud Kit is purpose-built for Audi's 2.7L Bi-Turbo V6 Quattro engines produced between 2000 and 2005. Engineered to match aggressive performance demands of models like the A6 Quattro, Allroad, and S4 (Avant and Base), this kit delivers upgraded durability and precision.

Crafted from aircraft-grade 8740 chrome-moly steel and heat-treated to approximately 190,000-200,000 psi, the kit features precision-rolled J-form threads, hardened washers, and high-strength nuts. It helps eliminate main cap walk and block fretting while supporting windage tray setups. Reliable, reusable, and exceptionally robust - this kit ensures long-term stability in both street and high-performance Quattro applications.