SKU: 256-4002 | UPC: 672036035495
ARP Cylinder Head Stud Kit for Ford 4.6L & 5.4L 3V ARP2000 2004-2010 Mustang F-150 Expedition
ARP 256-4002 cylinder head stud kit upgrades Ford 4.6L and 5.4L 3V Modular engines in Mustang F-150 Expedition and more with high-strength ARP2000 alloy studs. These studs deliver 220000 PSI tensile strength for consistent clamping in high-performance and boosted applications. Engine builders choose ARP for dependable head sealing that resists blowouts.
Key Features
- ARP2000 Alloy: Forged from proprietary material heat-treated to 220000 PSI tensile strength and 190000 PSI for 8740 variants providing fatigue resistance under extreme loads
- Precision Heat Treatment: Vertically racked studs ensure uniform 220000 PSI strength throughout far exceeding basket-treated competitors
- Centerless Ground: Ten precise cuts create concentric shafts so heads and gaskets align perfectly without binding
- Post-Heat-Treat Thread Rolling: Increases fatigue strength 2000% over pre-heat-treat threading for long-term durability
- Undercut Stud Design: Equalizes stretch on shorter studs compensating for gasket compression to maintain even clamping force
Product Notes
- Studs stamped ARP for authenticity verification
- Black oxide finish resists corrosion
- Made in USA with lifetime defect warranty
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using ARP Ultra-Torque assembly lube
- Requires cylinder head removal and MLS head gasket compatibility
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2010 | Ford | Mustang | 4.6L 3V V8 |
| 2004-2010 | Ford | F-150 | 5.4L 3V V8 |
| 2005-2010 | Ford | Expedition | 5.4L 3V V8 |
| 2006-2010 | Ford | Explorer | 4.6L 3V V8 |
| 2006-2010 | Mercury | Mountaineer | 4.6L 3V V8 |
| 2007-2010 | Lincoln | Navigator | 5.4L 3V V8 |
| 2007-2008 | Lincoln | Mark LT | 5.4L 3V V8 |
Why Choose ARP?
- Every top engine builder uses ARP for competition engines
- Premium 8740 and ARP2000 alloys exceed aircraft steel ratings
- Exact tolerances from centerless grinding and thread rolling ensure perfect fit
Frequently Asked Questions
- Q: Will this kit fit my 2005-2009 Ford Mustang GT 4.6L?
A: Yes ARP 256-4002 fits all 2005-2010 Mustang 4.6L 3V V8 models including GT Bullitt and base V8 - Q: What makes ARP2000 material different?
A: ARP2000 is a proprietary chrome-moly alloy heat-treated to 220000 PSI tensile strength with superior fatigue properties over standard 8740 - Q: What is the warranty and installation requirement?
A: Lifetime warranty against manufacturing defects. Install with ARP lube torqued to provided specs professional installation advised for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective retail box 12 x 8 x 2 inches
- Weight: 4.8 lbs
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