Click to zoom in
SKU: 251-5801 | UPC: 672036045159
Main Stud Kit for Ford 2.5L (B5254) DOHC 5-cyl (2005 & later) ARP2000
This ARP main stud kit fits Ford 2.5L B5254 DOHC 5-cylinder engines from 2005 and later, including compatible Volvo models like S40, V50, C30, and C70. It replaces factory bolts to stop main cap walk and fretting while protecting engine block threads from damage. Kits deliver reliable clamping force for street and performance builds.
Key Features
- ARP2000 Material: 8740 chrome moly steel heat-treated in-house to 190,000 PSI tensile strength
- Rolled J-Form Threads: Formed after heat treatment for threads 2000% stronger than standard fasteners
- Complete Kit Contents: Includes hardened parallel-ground washers and high-quality 12-point nuts
- Performance Protection: Eliminates main cap walk, fretting, and thread wear in the block
- Windage Tray Ready: Standoff studs with serrated lock nuts secure windage trays where equipped
Product Notes
- Clean engine block threads before installation to ensure proper seating
- Apply ARP Ultra-Torque lubricant on threads and under nut faces
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using provided moly lube chart
- Compatible with OEM main caps and windage trays on applicable engines
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2011 | Ford | Focus | ST |
| 2004-2011 | Volvo | S40 | 2.5L / T5 |
| 2005-2011 | Volvo | V50 | 2.5L / T5 |
| 2006-2013 | Volvo | C70 | T5 |
| 2008-2013 | Volvo | C30 | T5 |
Why Choose ARP?
- Trusted by engine builders for high-horsepower applications
- In-house heat treatment ensures consistent material properties
- Precision manufacturing from premium USA steel
Frequently Asked Questions
-
Q: Does this kit fit a 2007 Volvo V50 T5?
A: Yes, it fits all 2005-2011 Volvo V50 models with the 2.5L B5254 DOHC engine -
Q: What makes ARP2000 different from standard steel?
A: ARP2000 is 8740 chrome moly processed to 190,000 PSI with rolled threads for far greater fatigue resistance -
Q: What warranty is provided?
A: ARP provides a limited warranty against manufacturing defects for one year on street use
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely packaged in protective ARP box
- Weight: 1.65 lbs
ARP Head Studs
ARP head stud kits for internal engine builds are stocked at Black Ops Auto Works. Shop ARP head stud and bolt kits, main stud kits, and rod bolt kits engineered for HEMI, Ford Modular and Coyote, GM LS, Subaru EJ, Honda K and B series, VW/Audi turbo four cylinders, Porsche, BMC, and Renault engines, along with the Ultra-Torque assembly lubricant every kit depends on. Every product is filterable by year, make, model, and engine platform so the correct fastener kit ships the first time. Black Ops Auto Works carries 812 ARP Head Studs SKUs across 8740 chromoly and ARP2000 alloy options. What This Collection Covers ARP head studs replace factory head bolts with precision-machined threaded studs that thread into the block and allow the nut to be torqued concentrically on a stationary fastener, producing more even and repeatable clamping force across the entire head gasket surface than a factory head bolt design. This collection focuses on the internal engine fasteners that hold the ...
View ARP Head Studs Products
Head Components
Cylinder head components and engine internals for performance builds and OE service are stocked at Black Ops Auto Works. Shop complete cylinder heads, head gaskets, head stud and bolt kits, rocker arms, lifters, camshaft and lifter kits, rotating assemblies, and main stud and bolt kits for LS, LT, HEMI 5.7/6.1/6.4, Coyote, Cummins, Powerstroke, VW/Audi turbo, Subaru, Nissan, and import platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 972 Head Components SKUs across component type, engine platform, and bore or gasket specification. What This Collection Covers Head Components groups together the parts that live at and around the cylinder head, the area of the engine most affected by heat, combustion pressure, and clamping load. This includes complete heads, head gaskets, head studs and bolts, rocker arms, lifters, camshaft and lifter kits, main stud and bolt kits, and ro...
View Head Components Products
Main Stud & Bolt Kits
Main stud kits, main bolt kits and engine bottom end fasteners for performance engine builds are stocked at Black Ops Auto Works. Shop ARP main studs, main cap bolts, block bolts, main cap hardware, fastener lubricant and build hardware for LS, Coyote, Hemi, K20, K24, 2JZ, RB, EJ, SBC, BBC, 4B11 and modular Ford engine combinations. Every product is filterable by engine family, year, make, model and application so the correct main cap configuration, thread pitch, fastener length and oil pan clearance can be confirmed before ordering. Black Ops Auto Works carries 84 main stud and bolt kit SKUs for street, boosted, stroker and competition engine builds. What This Main Stud & Bolt Kits Collection Covers Main studs and bolts secure the main caps that support the crankshaft. They are critical engine fasteners because cap movement or inconsistent clamp load can affect bearing clearance, crankshaft alignment and durability under high cylinder pressure or rpm. Stud Kits and Main Bol...
View Main Stud & Bolt Kits Products