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SKU: 204-4101 | UPC: 672036036904
ARP VW 1.8L Turbo 20V M11 Head Stud Kit (Early AEB 1997-2000 Audi A4 VW Passat)
ARP 204-4101 head stud kit upgrades VW and Audi 1.8L Turbo 20V engines with M11 studs designed for early AEB applications. This kit fits 1997-1999 Audi A4 Base models 1997-2000 Audi A4 Quattro Base 1999 Audi A4 Quattro Avant and 1998-1999 VW Passat GLS providing dependable clamping force under high boost and heat. Enthusiasts rely on it for rebuilt heads and performance modifications ensuring gasket sealing and engine stability.
Key Features
- Genuine ARP Fasteners: Forged from high-tensile 8740 chromoly steel with 200000 psi rating for repeated high-load cycles
- Stud Design: Minimizes cylinder head block thread damage while allowing accurate torque and re-torquing
- Precision-Rolled Threads: Ensures maximum thread engagement and consistent torque values across installations
- Matched Hardware: Includes washers and instructions for complete no-tool assembly
- Track-Ready Durability: Handles street daily driving to drag strip demands without fatigue
Product Notes
- Verify engine code AEB or early 1.8T 20V before purchase
- Store in dry conditions to prevent corrosion on threads
- Ships in protective ARP-branded box 9in x 7in x 3in
Installation Notes
- Professional installation recommended.
- Clean all block and head threads thoroughly before install
- Torque to ARP specs in sequence using ARP Ultra-Torque lubricant
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-1999 | Audi | A4 | Base |
| 1999 | Audi | A4 | Quattro Avant |
| 1997-2000 | Audi | A4 Quattro | Base |
| 1998-1999 | Volkswagen | Passat | GLS |
Why Choose ARP?
- Proven in NHRA Top Fuel and Pro Stock racing since 1968
- Every stud undergoes rigorous tensile and fatigue testing
- CNC-machined for exact fit and repeatable performance
Frequently Asked Questions
-
Q: Does this fit AEB engine code only?
A: Yes ARP 204-4101 targets early AEB 1.8T 20V confirm your code on valve cover for exact match -
Q: What material are the studs?
A: Heat-treated 8740 chromoly alloy with rolled threads rated at 200000 psi tensile strength -
Q: What is the warranty and torque process?
A: Lifetime warranty against breakage follow ARP torque sequence and re-torque after 500 miles or heat cycles
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure cardboard box 9 x 7 x 3 inches
- Weight: 2.1 lbs
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