SKU: 151-5407 | UPC: 672036046897
ARP Main Stud Kit for Ford 2.3L EcoBoost 2015-2024
ARP main stud kit 151-5407 upgrades Ford 2.3L EcoBoost engines in Mustang EcoBoost Focus RS and Ranger with stronger fasteners. These studs replace factory bolts to stop main cap walk and fretting while guarding block threads from damage. Kits deliver dependable hold for high-horsepower builds in performance vehicles.
Key Features
- ARP2000 Material: 8740 chrome moly steel heat-treated in-house to 190,000 PSI tensile strength for extreme durability under boost
- Rolled J-Form Threads: Precision threads formed after heat-treat create 2000% stronger connection than off-the-shelf fasteners
- Eliminates Cap Walk: Prevents main caps from shifting during high-RPM operation to maintain precise bearing alignment
- Thread Protection: Shields engine block threads from galling and wear for long-term reliability
- Complete Kit: Includes hardened parallel-ground washers high-quality nuts and standoff studs with serrated lock nuts for windage tray mounting
Product Notes
- Black oxide finish resists corrosion in engine environments
- Made in USA with exact-fit design for Ford 2.3L EcoBoost blocks
- Ships in protective ARP box dimensions 10 x 6 x 2 inches
Installation Notes
- Professional installation recommended.
- Apply ARP Ultra-Torque assembly lube to threads and under nut faces
- Torque to ARP specifications using calibrated torque wrench in sequence
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2023 | Ford | Mustang | EcoBoost 2.3L |
| 2016-2018 | Ford | Focus | RS 2.3L |
| 2019-2024 | Ford | Ranger | 2.3L EcoBoost |
| 2016-2019 | Ford | Explorer | 2.3L EcoBoost |
| 2015-2018 | Ford | Edge | 2.3L EcoBoost |
| 2021-2024 | Ford | Bronco Sport | Badlands 2.3L |
Why Choose ARP?
- Trusted by racers for decades in high-stakes competition engines
- Manufactured to exacting standards with in-house heat treatment
- Engineered for boosted applications like EcoBoost for zero failures
Frequently Asked Questions
- Q: Will this kit fit my 2017 Ford Focus RS 2.3L EcoBoost?
A: Yes ARP 151-5407 is direct fit for all 2016-2018 Focus RS 2.3L engines including high-boost tunes - Q: What is ARP2000 material and black finish?
A: ARP2000 is proprietary 8740 chromoly at 190,000 PSI strength black oxide finish prevents rust and seizing in oil galleries - Q: What warranty and install support is provided?
A: One-year warranty for automotive use includes detailed instructions torque specs and tech support from ARP
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Original ARP box 10 x 6 x 2 inches
- Weight: 1.95 lbs
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