ARP Nissan L20 Main Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Nissan L20 Main Stud Kit for 1977-1979 Nissan 200SX. 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

• Matched Hardware: Includes all necessary washers and nuts for complete easy assembly.
• Forged from proprietary ARP2000 alloy with 220000 psi tensile strength for superior fatigue resistance.
• Genuine ARP Fasteners: Provide dependable clamping force to prevent fastener stretch and maintain cylinder block integrity.
• Stud Design: Minimizes block thread wear while delivering consistent torque values across multiple installations.
• Precision-Rolled Threads: Offer maximum thread engagement and accuracy for repeatable torque results.
• CNC-machined for exact fit and consistent performance every time.

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 Nissan L20 12pt Head Stud Kit
• ARP Nissan L20 Series 4cyl Rod Bolt Kit
• ARP Nissan 2.0L SR20DE/DET Flywheel Bolt Kit

Frequently Asked Questions

How do I confirm the Nissan L20 Main 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 202-5401, 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.