Product Description
Stop blown head gaskets. The ARP 250-4201 Head Stud Kit locks down your 1994–2003 Ford 7.3L Power Stroke with ARP2000 material and proven clamping force for tuned, towed, and hard-worked trucks. Engineered for repeatable torque with 14mm 12-point nuts and 5mm Allen studs, this kit is the gold standard for reliability on stock and high-boost builds. Pair it with ARP Ultra-Torque for accurate torque values and consider a bottom-end upgrade with the 7.3L ARP 250-5801 Main Stud Kit for complete sealing confidence.
WHAT ENGINES DOES ARP 250-4201 FIT?
1994–2003 Ford 7.3L Power Stroke diesel applications (commonly F-250/F-350/F-450 Super Duty, Excursion, and compatible E-Series vans). See fitment section below for details.
WHAT’S THE MATERIAL & TENSILE STRENGTH?
ARP2000 alloy, designed for extremely high cylinder pressures with industry-trusted ~220,000 PSI class performance when used and torqued per ARP instructions with ARP Ultra-Torque.
DO I NEED MACHINE WORK?
No machining is typically required for factory 7.3L heads/blocks; follow proper thread cleaning and torque procedure. Always check flatness and use new head gaskets.
WHAT TOOLS DO I NEED?
14mm 12-point socket for nuts and 5mm Allen for broached studs, calibrated torque wrench, and ARP Ultra-Torque lubricant.
Vehicle Fitment
- Ford Power Stroke 7.3L Diesel (1994–2003) – F-250/F-350/F-450 Super Duty
- Ford Excursion 7.3L Diesel (2000–2003)
- Ford E-Series 7.3L Diesel (select 1994–2003 models where equipped)
Recommended ARP Complements
- ARP 100-9909 Ultra-Torque Assembly Lubricant
- ARP 250-5801 Main Stud Kit – 1994–2003 Ford 7.3L
- ARP 250-6303 Rod Bolt Kit – 1994–2000 Ford 7.3L
- ARP 250-4202 Head Stud Kit – 2003–2007 Ford 6.0L (for 6.0 builds)
- Shop All ARP at CPP Diesel
Specifications for ARP 250-4201
| Brand | ARP (Automotive Racing Products) |
| Part Number | 250-4201 |
| Engine | Ford 7.3L Power Stroke Diesel (1994–2003) |
| Material | ARP2000 alloy, 14mm studs, 12-point nuts, 5mm Allen broach |
| UPC | 672036031008 |
| GTIN | 00672036031008 |
| Shipping Info | Ships via standard ground; shipping calculated at checkout |
| Cross Reference | ARP 250-5801 Main Stud Kit, ARP 100-9909 Ultra-Torque, ARP 250-6303 Rod Bolt Kit |
| E-codes | Not applicable (fasteners; no emissions control impact) |
| Prop 65 | ⚠️ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |