SKU: 202-5401 | UPC: 672036007508
ARP Nissan L20 Main Stud Kit 202-5401 for 1974-1980 Models
ARP 202-5401 main stud kit secures Nissan L20 engines with high-strength fasteners designed for maximum clamping load. Fits 1974-1980 Nissan 200SX 510 610 620 710 and 720 models. Ensures engine stability under high stress for reliable performance in daily driving or racing.
Key Features
- 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
- Matched Hardware: Includes all necessary washers and nuts for complete easy assembly
- Versatile Application: Built for street daily drivers track days and drag strip demands
Product Notes
- Inspect engine block threads for damage before installation to ensure proper seating
- Apply ARP Ultra-Torque fastener lubricant on threads and under nut faces for accurate torque
- Handles standard ground shipping with no hazmat restrictions
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications in correct sequence starting from center outward
- Compatible with stock and performance main caps using provided hardware
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 and builders for decades in high-horsepower applications
- High-tensile strength materials resist fatigue under extreme loads
- CNC-machined for exact fit and consistent performance every time
Frequently Asked Questions
-
Q: Will this kit fit my 1978 Nissan 510 with L20 engine?
A: Yes it directly replaces OEM main studs on all listed Nissan L20-equipped models including 1978-1979 510 Base -
Q: What material are the ARP studs made from?
A: Forged from proprietary ARP2000 alloy with 220000 psi tensile strength for superior fatigue resistance -
Q: What is the ARP warranty on this main stud kit?
A: Covered by ARP limited lifetime warranty against manufacturing defects when installed and torqued correctly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure ARP box approximately 8 x 6 x 3 inches
- Weight: 1.15 lbs
ARP Head Studs
ARP head stud kits for internal engine builds are stocked at Black Ops Auto Works. Shop ARP head stud and bolt kits, main stud kits, and rod bolt kits engineered for HEMI, Ford Modular and Coyote, GM LS, Subaru EJ, Honda K and B series, VW/Audi turbo four cylinders, Porsche, BMC, and Renault engines, along with the Ultra-Torque assembly lubricant every kit depends on. Every product is filterable by year, make, model, and engine platform so the correct fastener kit ships the first time. Black Ops Auto Works carries 812 ARP Head Studs SKUs across 8740 chromoly and ARP2000 alloy options. What This Collection Covers ARP head studs replace factory head bolts with precision-machined threaded studs that thread into the block and allow the nut to be torqued concentrically on a stationary fastener, producing more even and repeatable clamping force across the entire head gasket surface than a factory head bolt design. This collection focuses on the internal engine fasteners that hold the ...
View ARP Head Studs Products
Head Components
Cylinder head components and engine internals for performance builds and OE service are stocked at Black Ops Auto Works. Shop complete cylinder heads, head gaskets, head stud and bolt kits, rocker arms, lifters, camshaft and lifter kits, rotating assemblies, and main stud and bolt kits for LS, LT, HEMI 5.7/6.1/6.4, Coyote, Cummins, Powerstroke, VW/Audi turbo, Subaru, Nissan, and import platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 972 Head Components SKUs across component type, engine platform, and bore or gasket specification. What This Collection Covers Head Components groups together the parts that live at and around the cylinder head, the area of the engine most affected by heat, combustion pressure, and clamping load. This includes complete heads, head gaskets, head studs and bolts, rocker arms, lifters, camshaft and lifter kits, main stud and bolt kits, and ro...
View Head Components Products
Main Stud & Bolt Kits
Main stud kits, main bolt kits and engine bottom end fasteners for performance engine builds are stocked at Black Ops Auto Works. Shop ARP main studs, main cap bolts, block bolts, main cap hardware, fastener lubricant and build hardware for LS, Coyote, Hemi, K20, K24, 2JZ, RB, EJ, SBC, BBC, 4B11 and modular Ford engine combinations. Every product is filterable by engine family, year, make, model and application so the correct main cap configuration, thread pitch, fastener length and oil pan clearance can be confirmed before ordering. Black Ops Auto Works carries 84 main stud and bolt kit SKUs for street, boosted, stroker and competition engine builds. What This Main Stud & Bolt Kits Collection Covers Main studs and bolts secure the main caps that support the crankshaft. They are critical engine fasteners because cap movement or inconsistent clamp load can affect bearing clearance, crankshaft alignment and durability under high cylinder pressure or rpm. Stud Kits and Main Bol...
View Main Stud & Bolt Kits Products


