SKU: 156-5403 | UPC: 672036033958
ARP Main Stud Kit for Ford 4.6L Supercharged Mustang SVT Cobra w/ Windage Tray (2003-04)
ARP main stud kit 156-5403 delivers secure engine block fastening for 2003-2004 Ford Mustang SVT Cobra 4.6L supercharged engines equipped with windage tray. These studs replace weak factory bolts to eliminate main cap walk and fretting while protecting block threads under extreme boost and power. Complete kit ensures rock-solid bottom-end stability for drag racing or street performance.
Key Features
- 8740 Chrome Moly Steel: Heat-treated in-house to 190,000 PSI tensile strength for handling high cylinder pressures in supercharged 4.6L engines
- Precision Rolled J-Form Threads: Formed after heat treatment to deliver threads 2000% stronger than cut threads preventing strip-out and failure
- Hardened Parallel-Ground Washers and Nuts: Provide even load distribution and reliable clamping force across main caps
- Standoff Studs with Serrated Lock Nuts: Secure windage tray positioning on 2003-04 Cobra blocks locking components firmly in place
- Black Oxide Finish: Resists corrosion in harsh engine environments extending fastener life
Product Notes
- Kit includes all necessary studs washers and nuts for complete main cap installation
- Inspect block threads for damage prior to installation to ensure proper fit
- Made in USA with meticulous quality control for consistent performance
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using ARP moly lube for accurate clamping loads
- Standoff studs align and lock OEM or aftermarket windage tray without modifications
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2004 | Ford | Mustang | SVT Cobra |
Why Choose ARP?
- Decades of racing heritage with fasteners trusted in NHRA Top Fuel and Pro Stock
- Every stud undergoes rigorous testing for strength and fatigue resistance
- Precision manufacturing in the USA guarantees exact fit and unmatched durability
Frequently Asked Questions
- Q: Does this kit fit 2003-2004 Ford Mustang SVT Cobra supercharged engines?
A: Yes specifically designed for 4.6L DOHC supercharged blocks with windage tray including all main studs and standoff hardware - Q: What material and strength rating does ARP use?
A: 8740 chromoly steel heat-treated to 190,000 PSI with rolled threads for superior strength over OEM bolts - Q: What installation torque specs apply?
A: Follow ARP instructions with ARP Ultra-Torque or moly lubricant professional install advised for engine builders
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact cardboard box 9 x 7 x 1 inches
- Weight: 1.85 lbs
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