ARP 251-4703 Head Stud Kit Ford 2.5L B5254 5-Cylinder with 12-Point Nuts

The ARP 251-4703 is a Professional Series head stud kit designed for the Ford 2.5L B5254 DOHC 5-cylinder engine, commonly found in Ford Focus RS MK2 and Volvo applications. This complete kit features undercut studs with 12-point nuts and a black oxide finish for superior engine sealing and durability.

Premium 8740 Chrome Moly Construction:

• Manufactured from premium grade 8740 alloy rated superior to aircraft quality alloy steels
• Each stud is precisely heat-treated to 200,000 psi tensile strength for maximum clamping force
• Centerless ground to ensure near-perfect concentricity for precise alignment
• Thread rolled after heat-treat for approximately ten times better fatigue strength compared to pre-threaded studs

Engineered for Performance:

• Features undercut studs with 12-point nuts for more consistent clamping force
• Manufactured to exacting tolerances allowing gaskets and cylinder heads to glide into position and align perfectly
• Helps prevent blown head gaskets and assures optimum engine sealing
• Black oxide finish provides corrosion resistance
• Includes hardened parallel-ground washers and premium quality nuts

Ideal for high-performance street applications, forced induction builds, and competition engines where reliable head gasket sealing is critical. Each stud is stamped with the ARP logo as your assurance of quality and authenticity.