ARP 154-4207 Head Stud Kit for Ford Boss 302 with 351C Heads

The ARP 154-4207 is a professional-grade cylinder head stud kit designed specifically for Ford Boss 302 (M6010) Ford Racing blocks equipped with 351 Cleveland iron cylinder heads, featuring 1/2"-13 cylinder block threads. This premium kit provides the superior clamping force and reliability demanded by high-performance and racing applications.

Professional-Grade Construction:

• Manufactured from premium grade 8740 chromoly alloy steel rated superior to aircraft quality
• Each stud is placed vertically into special racks and precisely heat-treated to 200,000 psi tensile strength
• Centerless ground through approximately ten precise cuts to ensure exceptional straightness and concentricity
• Thread rolled after heat-treat for 2000% better fatigue strength compared to pre-heat-treat threading
• Black oxide finish for corrosion resistance

Kit Includes:

• Hardened parallel washers for even load distribution
• ARP Ultra-Torque assembly lubricant

The precision manufacturing ensures that gaskets and cylinder heads literally glide into position and are perfectly aligned, making assembly easier and more accurate. This helps prevent blown head gaskets and assures optimum engine sealing, critical for high-performance and competition engines.