SKU: 204-4105 | UPC: 672036042486
ARP VW/Audi 2000-2005 2.7L Bi-Turbo V6 Head Stud Kit
This ARP head stud kit upgrades VW and Audi 2.7L bi-turbo V6 engines with stronger fasteners than stock bolts. It fits 2000-2005 Audi S4 A6 Quattro Allroad and VW Passat models for consistent clamp load under high boost. Engine builders rely on it for reliable sealing and torque retention in boosted applications.
Key Features
- ARP Pro Series Steel: High-tensile 8740 chromoly construction withstands extreme cylinder pressures in 2.7T engines
- Stud Design: Minimizes thread wear on block and provides even load distribution for better head gasket sealing
- Rolled Threads: Increases fatigue strength by 350 percent over cut threads for precise repeatable torque values
- Matched Hardware: Includes washers and instructions for complete easy assembly without custom sourcing
- Versatile Use: Handles street daily driving track days and drag strip abuse in modified 2.7L bi-turbo builds
Product Notes
- Inspect head and block surfaces before installation for flatness within 0.002 inches
- Torque to ARP specs using moly lube on studs and Ultra-Torque on washers
- Ships in protective packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Clean all threads thoroughly and chase with tap if needed before assembly
- Use ARP torque sequence diagram included re-torque after 500 miles or first heat cycle
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000-2002 | Audi | S4 | Base |
| 2001-2002 | Audi | S4 | Avant |
| 2000-2004 | Audi | A6 Quattro | Base |
| 2001-2005 | Audi | Allroad Quattro | Base |
| 2001-2005 | Volkswagen | Passat | 2.7T 4Motion |
Why Choose ARP?
- ARP fasteners power NHRA Top Fuel and Formula 1 engines worldwide
- Extensive testing ensures fasteners hold over 220000 psi tensile strength
- CNC machining and heat treatment deliver exact fit for OEM replacements
Frequently Asked Questions
- Q: Will this kit fit my 2002 Audi S4 2.7T?
A: Yes ARP 204-4105 is direct replacement for all 2000-2002 Audi S4 models with 2.7L bi-turbo V6 engine code APP or AQP - Q: What material are the studs made from?
A: Constructed from ARP’s 8740 chromoly steel with rolled threads rated at 200000 psi for superior strength over aluminum head bolts - Q: Does ARP offer a warranty on this head stud kit?
A: ARP provides a limited lifetime warranty against manufacturing defects when installed and torqued per instructions
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-lined box 10x6x2 inches
- Weight: 2.11 lbs
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