Click to zoom in
SKU: 202-4309 | UPC: 672036043544
ARP Cylinder Head Stud Kit for Nissan 2.5L RB25DE/DET Inline-6 ARP2000 M11 1993-2002
Secure your Nissan RB25DE/DET engine with this ARP Pro Series cylinder head stud kit designed for Skyline R33/R34 GTS25t/GT-T and Stagea WC34 models. These M11 studs provide consistent clamping force to handle high boost and RPM in performance applications. Built for reliability in racing and street builds these studs prevent head gasket failures under extreme conditions.
Key Features
- ARP2000 Alloy: Rated at 220000 PSI tensile strength for extreme durability in high-horsepower RB25 engines
- Precision Heat Treatment: Vertically racked studs ensure full 220000 PSI penetration far exceeding basket-treated competitors
- Centerless Ground: Achieves near-perfect concentricity so heads and gaskets align effortlessly during installs
- Post-Heat-Treat Thread Rolling: Delivers 2000% higher fatigue strength than pre-heat-treat threaded studs
- Undercut Stud Design: Equalizes stretch across lengths for uniform clamping and resistance to gasket blowouts
Product Notes
- Studs marked with ARP for authenticity verification
- Requires ARP Ultra-Torque lubricant for proper torque values
- Ships in protective ARP packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using thread lubricant included in kit instructions
- Compatible with OEM and aftermarket MLS head gaskets
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1996 | Nissan | Skyline | R33 GTS25 (RB25DE) |
| 1993-1998 | Nissan | Skyline | R33 GTS25t/M/S/T (RB25DET) |
| 1998-2001 | Nissan | Skyline | R34 25GT (RB25DE) |
| 1999-2002 | Nissan | Skyline | R34 25GT-T/GTT (RB25DET) |
| 1996-2001 | Nissan | Stagea | WC34 25t/25t Type S/25t Type T (RB25DET) |
Why Choose ARP?
- Trusted by professional engine builders in drag racing and circuit applications
- Premium 8740 and ARP2000 alloys outperform standard steels
- Exact tolerances from centerless grinding and specialized processes ensure perfect fits
Frequently Asked Questions
-
Q: Will this kit fit my R34 Skyline RB25DET?
A: Yes it fits 1999-2002 R34 Skyline 25GT-T and GTT models with RB25DET engines perfectly -
Q: What is the material and strength rating?
A: Forged ARP2000 alloy construction with 220000 PSI tensile strength and black oxide finish for corrosion resistance -
Q: What is the warranty and install process?
A: ARP offers warranty against manufacturing defects follow kit instructions for torque specs using ARP lubricant for best results
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: ARP branded box 12 x 8 x 2 inches
- Weight: 2.8 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
Head Stud & Bolt Kits
Head Stud and Bolt Kits for LS, Gen III Hemi, Coyote and Ford Modular, Toyota 2JZ, Nissan RB26, Subaru EJ, Honda K-series, Mitsubishi 4G63, VW 1.8T, and Power Stroke applications are stocked at Black Ops Auto Works. Shop ARP head studs, head bolts, L19 studs, Custom Age 625+ studs, Pro Series hardware, cylinder head fasteners, MLS gasket support, and boosted engine hardware for proven street, drag, road course, and high horsepower engine builds. 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 199 head stud and bolt SKUs across the fitments and build levels enthusiasts actually use. What Head Stud and Bolt Kits Cover This collection includes cylinder head stud kits, head bolt kits, nuts, washers, and high-strength fastening solutions for stock rebuilds, boosted street engines, race engines, and diesel performance applications. The correct fastener supports reliable head gasket cl...
View Head Stud & Bolt Kits Products