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This ARP performance fastener, stud, bolt, tool, or assembly is the Nissan L24/L26/L28 Series Head Stud Kit for 1970-1973 Nissan 240Z. 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
- Precision-Rolled Threads: Maximizes thread engagement for even load distribution and prevents galling during installation.
- Application-Specific Lengths: 11.000 in studs tailored to L-series heads for exact fit without modifications.
- Yes, ARP 202-4206 works with stock and turbo L28ET heads, providing clamp load for up to 25 psi boost levels.
- High-strength 8740 chromoly steel, heat-treated to ARP2000 specs for superior tensile strength over 200,000 psi.
- Stud Design: Minimizes cylinder block thread damage compared to bolts, ensuring repeatable torque values over multiple services.
- Genuine ARP 8740 Chromoly Construction: Heat-treated steel studs resist fatigue and maintain tension in high-heat, high-pressure environments.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1970-1973 | Nissan | 240Z | Base |
| 1974-1975 | Nissan | 260Z | 2+2 |
| 1974-1975 | Nissan | 260Z | Base |
| 1975-1978 | Nissan | 280Z | 2+2 |
| 1975-1978 | Nissan | 280Z | Base |
| 1979 | Nissan | 280ZX | 2+2 |
| 1982-1983 | Nissan | 280ZX | 2+2 |
| 1980-1981 | Nissan | 280ZX | 2+2 GL |
| 1982-1983 | Nissan | 280ZX | 2+2 Turbo |
| 1979-1983 | Nissan | 280ZX | Base |
| 1980-1981 | Nissan | 280ZX | GL |
| 1981 | Nissan | 280ZX | GL Turbo |
| 1982-1983 | Nissan | 280ZX | Turbo |
| 1977-1980 | Nissan | 810 | Base |
| 1981 | Nissan | Maxima | SL |
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 202-4206 |
| Product Type | Head Stud & Bolt Kits |
| Condition | New |
| Configuration | Nissan L24/L26/L28 Series Head Stud Kit |
| Genuine ARP 8740 Chromoly Construction | Heat-treated steel studs resist fatigue and maintain tension in high-heat, high-pressure environments |
| Stud Design | Minimizes cylinder block thread damage compared to bolts, ensuring repeatable torque values over multiple services |
| Precision-Rolled Threads | Maximizes thread engagement for even load distribution and prevents galling during installation |
| Application-Specific Lengths | 11.000 in studs tailored to L-series heads for exact fit without modifications |
| Q | Does this kit fit turbocharged L28 engines in 280ZX? A: Yes, ARP 202-4206 works with stock and turbo L28ET heads, providing clamp load for up to 25 psi boost levels |
| Method | UPS Ground or USPS Priority |
| Availability | In stock - ships same or next business day |
| Packaging | Secure foam-packed box, 12 x 8 x 2 inches |
| Weight | 2.1 lbs |
| ARP 8740 Chromoly Construction | Heat-treated steel studs resist fatigue and maintain tension in high-heat, high-pressure environments |
| Nuts and Hardened Washers | Included hardware simplifies assembly with secure, high-torque retention |
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 Nissan L24 (Late) / L26 / L28 / VG30E / VG30ET Series Rod Bolt Kit
- ARP Nissan L24 L26 L28 Series 6-Cylinder Main Stud Kit
- ARP 01-10 6.6L GM Duramax Diesel Head Stud Kit
Frequently Asked Questions
How do I confirm the Nissan L24/L26/L28 Series 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
- Confirm ARP part number 202-4206, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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