SKU: 256-5701 | UPC: 672036011581
ARP Main Stud Kit for 1993-2004 Ford 4.6L 4V Engines with Windage Tray
ARP main stud kit 256-5701 secures the crankshaft main caps in Ford 4.6L 4V DOHC engines equipped with windage trays. Designed for high-horsepower builds in vehicles like Mustang Cobra and Mach 1, it eliminates main cap walk and fretting while protecting engine block threads. Kits include all necessary components for reliable high-RPM performance.
Key Features
- 8740 Chrome Moly Construction: Heat-treated in-house to 190,000 PSI tensile strength for extreme durability under boost or nitrous.
- Precision J-Form Threads: Rolled after heat treatment to deliver threads 2000% stronger than off-the-shelf fasteners, ensuring no strip-outs.
- Complete Kit Contents: Hardened parallel-ground washers, high-quality nuts, and serrated lock nuts for secure windage tray mounting.
- Standoff Stud Design: Positions and locks windage tray in place to control oil splash and maintain consistent lubrication at high speeds.
- Black Oxide Finish: Provides corrosion resistance and smooth installation in demanding engine environments.
Product Notes
- Inspect engine block threads for damage before installation to ensure proper torque.
- Use ARP Ultra-Torque lubricant on threads and under nut faces for accurate fastening.
- Kit weighs 2.1 lbs and ships in a compact 8 x 6 x 1 inch box.
Installation Notes
- Professional installation recommended.
- Torque studs to ARP specifications using a calibrated torque wrench in three stages.
- Compatible with OEM windage trays. no modifications required for listed applications.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996-2004 | Ford | Mustang | SVT Cobra |
| 2003-2004 | Ford | Mustang | Mach 1 |
| 1993-1998 | Lincoln | Mark VIII | All |
| 1999-2002 | Lincoln | Continental | All |
| 2003-2004 | Mercury | Marauder | All |
Why Choose ARP?
- ARP fasteners secure record-setting race engines worldwide.
- Every stud undergoes rigorous in-house testing for consistent strength.
- Precision manufacturing from premium 8740 steel ensures fit and function.
Frequently Asked Questions
- Q: Will this kit fit my 2003 Mustang Cobra with factory windage tray?
A: Yes, ARP 256-5701 is direct fit for all 1996-2004 Mustang SVT Cobra 4.6L 4V engines with windage tray. - Q: What material and strength rating does it have?
A: Made from 8740 chrome moly steel, heat-treated to 190,000 PSI tensile strength with rolled J-form threads. - Q: What is the warranty and installation requirement?
A: ARP offers a limited lifetime warranty against manufacturing defects when installed per instructions with ARP lube.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure ARP box measuring 8 x 6 x 1 inches
- Weight: 2.1 lbs
