ARP 204-5402 VW/Audi 1.8L 8V/16V Water-Cooled Main Stud Kit

Vehicle Fitment

• 1993-2005 VW Golf/Jetta/Passat 1.8L 8V/16V Water-Cooled (AEB, ATW, 9A engines)
• 1995-2005 Audi A3/A4 1.8L 8V/16V Water-Cooled (AEB, ATW engines)
• 1998-2005 Audi TT 1.8L 8V/16V Water-Cooled (AEB, ATW engines)

Features

• Designed for water-cooled VW/Audi 1.8L 8V/16V engines and early 1.8T engines
• Forged from premium 8740 chrome moly steel for maximum strength
• Heat-treated to 190,000 psi tensile strength for superior durability
• Rolled threads after heat treatment improve fatigue resistance
• Reduced wrenching head design for better clearance during installation
• Black oxide finish provides corrosion resistance
• Perfect for engine rebuilds or performance upgrades
• Precision-engineered for reliable OEM replacement performance

Specifications

• Fastener Style: Stud
• Material: 8740 Chrome Moly Steel
• Head Style: 12-point
• Socket Size: 12mm 12-point, 4mm Allen
• Finish: Black oxide
• Tensile Strength: 190,000 psi
• Compatibility: 2-bolt main cap water-cooled engines

Included Components

• 10x ARP main studs
• 10x 12-point nuts
• 10x hardened parallel washers
• 1x ARP Ultra-Torque assembly lubricant

Product Description

The ARP 204-5402 Main Stud Kit provides superior clamping force for VW/Audi water-cooled 1.8L 8V/16V engines and early 1.8T engines. It is ideal for engine rebuilds, performance upgrades, or replacing OEM torque-to-yield bolts.

Manufactured from 8740 chrome moly steel and heat-treated to 190,000 psi, these studs offer significantly higher strength than factory bolts. This kit includes all components necessary for a complete installation, providing a reliable, OEM-level fit.

Note: Not compatible with later 1.8T engines (beyond AEB/ATW) or other engine families. Verify engine code before purchase.