ARP Porsche 996 Main Bolt Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Porsche 996 Main Bolt Kit for 1999-2001 Porsche 911. 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

• ARP2000 Alloy Steel: Forged material rated at 200,000 psi tensile and 135,000 psi yield strength for maximum clamping force under heavy loads.
• High-grade ARP2000 alloy steel heat-treated for 200,000 psi tensile strength superior to OEM grade 8 bolts.
• Precision Thread Design: Rolled threads for fatigue resistance and consistent torque retention during high-vibration operation.
• Black Oxide Finish: Durable corrosion-resistant coating guards against rust in demanding engine bay environments.
• Direct OEM Replacement: Exact Porsche 996 main stud dimensions ensure bolt-in fit with no modifications required.
• Every stud undergoes rigorous testing for load and fatigue resistance.

Fitment

Specifications

What’s Included

One new ARP main 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 Porsche 911 (Early) Flywheel Bolt Kit
• ARP Porsche 911 (Late) Flywheel Bolt Kit
• ARP Porsche 911-930 turbo SS Head Stud Kit

Frequently Asked Questions

How do I confirm the Porsche 996 Main Bolt 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 204-5001, 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.