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SKU: 202-4201 | UPC: 672036007461
ARP Nissan L20 12pt Head Stud Kit 1974-1980 Nissan Models
ARP 202-4201 Head Stud Kit equips Nissan L20 engines with high-strength fasteners for dependable head clamping. Designed for 1974-1980 Nissan 200SX 510 610 620 710 and 720 models this kit ensures even load distribution under high boost or rpm. Built to handle street track and drag demands with proven ARP engineering.
Key Features
- Genuine ARP Fasteners: Forged 8740 chromoly studs with ARP2000 12-point nuts resist fatigue for repeated heat cycles
- Stud Design: Minimizes cylinder head block thread damage while allowing accurate torque verification
- Precision-Rolled Threads: Provide maximum thread engagement and consistent torque values pass after pass
- Matched Hardware: Includes hardened parallel washers for even load and simple bolt-on setup
- Versatile Application: Suited for stock rebuilds high-compression builds and forced induction L20 setups
Product Notes
- Verify engine code L20 prior to purchase for exact match
- Torque to ARP specs using moly or Ultra-Torque lubricant
- Ships in protective ARP packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Clean blind holes and chase block threads before assembly
- Use ARP torque sequence diagram included with kit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1977-1979 | Nissan | 200SX | Base |
| 1978-1979 | Nissan | 510 | Base |
| 1974-1976 | Nissan | 610 | Base |
| 1975-1979 | Nissan | 620 | Base |
| 1975-1977 | Nissan | 710 | Base |
| 1980 | Nissan | 720 | Base |
| 1980 | Nissan | 720 | Deluxe |
Why Choose ARP?
- Trusted by racers for decades in NHRA and endurance events
- Heat-treated alloy construction withstands extreme pressures
- CNC-machined for exact fit and repeatable performance
Frequently Asked Questions
-
Q: Does this kit fit all Nissan L20 engines in listed models?
A: Yes ARP 202-4201 matches L20 engines across 1974-1980 Nissan 200SX 510 610 620 710 720 Base and Deluxe without modifications -
Q: What material are the studs and nuts made from?
A: Studs use 8740 chromoly steel heat-treated to ARP specs nuts are ARP2000 alloy with 12-point design for high torque capacity -
Q: What is the torque spec and warranty?
A: Follow included ARP guide typically 65-70 ft-lbs with moly backed by ARP limited defect warranty contact manufacturer for details
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact box 7in x 5in x 2in anti-corrosion wrapped
- Weight: 0.9 lbs
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