SKU: 151-5404 | UPC: 672036022150
ARP 98+ Ford 2.0L Zetec Main Stud Kit
ARP 151-5404 main stud kit replaces factory main bolts on 1998 and later Ford 2.0L Zetec engines in Escort ZX2 and Focus models. These studs deliver consistent clamping force to hold crankshaft mains secure under high boost or RPM. Ideal for engine rebuilds seeking reliable bottom-end strength.
Key Features
- ARP2000 Alloy Steel: Rated at 220,000 psi tensile strength to handle extreme cylinder pressures and rod firing loads
- Rolled Threads: Provide up to 10 times greater fatigue resistance than cut threads for long-term durability
- Complete Kit Contents: Includes eight main studs (11/32″-18 x 3.750″), hardened parallel ground washers, and 12-point nuts
- Black Oxide Finish: Resists corrosion during storage and operation in harsh engine environments
- Precision Manufacturing: CNC-machined for exact fit and repeatable torque values in performance applications
Product Notes
- Confirm 2.0L Zetec engine code (SPI or DOHC) prior to installation
- Apply ARP Ultra-Torque assembly lubricant on threads and under nut faces
- Packaged in compact box with 9 x 5 x 1 inch dimensions
Installation Notes
- Professional installation recommended.
- Chase main bore threads in block with 11/32″-18 tap before stud installation
- Torque mains to 65-70 ft-lbs in three stages using ARP specifications
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2002 | Ford | Escort | ZX2 |
| 2000-2004 | Ford | Focus | LX |
| 2000-2004 | Ford | Focus | SE |
| 2000-2004 | Ford | Focus | ZTS |
| 2000-2004 | Ford | Focus | ZX3 |
| 2000-2004 | Ford | Focus | ZX5 |
Why Choose ARP?
- Fasteners trusted in NHRA, NASCAR, and endurance racing since 1968
- Every part lot tested for material strength and dimensional accuracy
- Backed by lifetime warranty on fastener failure when installed correctly
Frequently Asked Questions
- Q: Will this kit fit 2005+ Ford Focus models?
A: No, designed specifically for 1998-2004 2.0L Zetec engines in Escort ZX2 and Focus. later Duratec engines use different ARP kits - Q: What material are the studs made from?
A: Forged ARP2000 chrome moly alloy steel with proprietary heat treatment for 220,000 psi strength and fatigue resistance - Q: Does ARP provide torque specs and warranty details?
A: Yes, instructions included with kit detail torque sequence. lifetime warranty covers breakage when proper lube and torque used
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Sturdy cardboard box 9 x 5 x 1 inches
- Weight: 1.90 lbs
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