ARP 204-5409 Main Stud Kit for Audi 5-Cylinder (1996 & Earlier)

Vehicle Fitment

• 1996 and earlier Audi 5-cylinder engines (specific models not individually listed by manufacturer)

Features

• High-strength 8740 chrome-moly steel studs
• Heat-treated to achieve elevated tensile strength (exact psi per ARP standard)
• Precision J-form threads rolled post heat-treatment
• Designed to eliminate main cap walk and fretting
• Protects and preserves engine block threads
• Reusable hardware - ideal for rebuilds and restoration
• Direct OEM-style replacement for legacy Audi engines
• Comes with washers and nuts as per ARP specifications

Specifications

• Main Bolt Style: Stud kit (exact count per engine per ARP spec)
• Material: 8740 chrome-moly steel
• Thread Type: J-form rolled threads
• Finish: ARP-standard (likely black oxide or as shipped)

Included Components

• 1x main stud kit including studs, washers, and nuts (quantities per ARP specification)

Product Description

The ARP 204-5409 Main Stud Kit is engineered for use in Audi 5-cylinder engines produced in 1996 and earlier. While ARP's official listing doesn't specify exact model applications, trusted aftermarket sources characterize it explicitly for these legacy vehicles. The kit uses 8740 chrome-moly steel studs, heat-treated to ensure high tensile strength and equipped with precision-rolled J-form threads for superior fatigue resistance.

This stud kit maintains proper main cap alignment and blocks thread wear over time, making it an excellent option for restorations, performance upgrades, or mechanical rebuilds. The inclusion of washers and nuts, combined with ARP's renowned materials and processing standards, ensures enduring reliability and fitment for classic Audi engine platforms.