ARP VW 1.8L Turbo 20V M11 (without tool) (early AEB) Head Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the VW 1.8L Turbo 20V M11 (without tool) (early AEB) Head Stud Kit for 1997-1999 Audi A4. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.

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.
• Ships in protective ARP-branded box 9in x 7in x 3in.
• CNC-machined for exact fit and repeatable performance.
• Heat-treated 8740 chromoly alloy with rolled threads rated at 200000 psi tensile strength.

Fitment

Specifications

What’s Included

One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.

About ARP

Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.

Important Disclosures

• California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.

Related Parts

• Shop all ARP products
• ARP Golf/Jetta 1.8L Turbo 20 valve Head Stud Kit w/ Tool
• ARP VW 1.8L Turbo 20V M10 (with tool) Head Stud Kit
• ARP VW 1.8L Turbo 20V M10 (without tool) Head Stud Kit

Frequently Asked Questions

How do I confirm the VW 1.8L Turbo 20V M11 (without tool) (early AEB) Head Stud Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.

Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP’s current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.

What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.

Installation Instructions

1. Confirm ARP part number 204-4101, the complete application, and every required supporting component before beginning work.
2. Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
3. Follow ARP’s current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
4. Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.