SKU: 252-4302 | UPC: 672036043704
ARP Cylinder Head Stud Kit for Ford 4.0L (XR6) Inline-6 ARP2000 M12 1998-2016
This ARP Pro Series cylinder head stud kit (SKU 252-4302) delivers precise clamping force for Ford Falcon XR6 and compatible 4.0L DOHC inline-6 engines. Designed for high-performance applications, these studs prevent head gasket failures under extreme boost and RPM. Professionals choose ARP for engines in Falcon BA/BF/FG series and Territory models.
Key Features
- ARP2000 Alloy: Heat-treated to 220,000 PSI tensile strength for maximum fatigue resistance in high-horsepower builds
- Centerless Ground: Ensures perfect concentricity so cylinder heads and gaskets align effortlessly without binding
- Thread Rolled After Heat-Treat: Provides 2000% greater fatigue strength compared to pre-heat-treat threading methods
- Undercut Design: Equalizes stretch across studs for consistent clamping that handles head gasket compression
- Black Oxide Finish: Resists corrosion while maintaining precise M12 threading for secure installation
Product Notes
- Inspect engine block threads before installation and chase with ARP thread cleaner if needed
- Use ARP Ultra-Torque fastener lubricant on threads and under washer faces for accurate torque
- Ships in protective packaging to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Torque studs in sequence to ARP specifications: intake manifold side 75 ft-lbs, exhaust side 85 ft-lbs
- Requires factory head bolt holes. no machining needed for direct replacement
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2002 | Ford | Falcon | AU XR6 4.0L DOHC I6 |
| 2002-2004 | Ford | Falcon | BA XR6 4.0L DOHC I6 |
| 2004-2008 | Ford | Falcon | BF XR6 4.0L DOHC I6 |
| 2008-2014 | Ford | Falcon | FG XR6 4.0L DOHC I6 |
| 2004-2011 | Ford | Territory | SY/SZ 4.0L DOHC I6 |
| 1998-2007 | Ford | Fairlane | 4.0L DOHC I6 |
Why Choose ARP?
- Trusted by professional engine builders in drag racing and street performance
- Manufactured in USA with premium alloys exceeding aircraft-grade standards
- Precision processes like rack heat-treating ensure every stud meets exact tolerances
Frequently Asked Questions
- Q: Does this kit fit non-XR6 4.0L Falcon engines?
A: Yes, compatible with all Ford Falcon AU/BA/BF/FG and Territory 4.0L DOHC inline-6 variants using stock heads - Q: What is the material grade and strength?
A: ARP2000 proprietary alloy rated at 220,000 PSI tensile strength with black oxide finish for durability - Q: What is the ARP warranty policy?
A: Lifetime warranty against manufacturing defects when installed and torqued per ARP instructions
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure ARP box approximately 10 x 8 x 2 inches
- Weight: 2.1 lbs
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