ARP 233-4304 Cylinder Head Stud Kit Chrome Moly - 8740 12-Point

The ARP 233-4304 head stud kit delivers professional-grade engine fastening performance using premium 8740 chrome moly steel construction. Designed for high-performance and competition applications, these studs provide superior clamping force and reliability compared to standard head bolts.

Premium Manufacturing Process:

• 8740 chrome moly alloy rated at 200,000 psi tensile strength
• Vertical rack heat-treatment ensures complete and consistent heat penetration throughout each stud
• Centerless ground after heat-treat for exceptional straightness and concentricity
• Thread rolling performed after heat-treatment provides 10x better fatigue strength than pre-heat-treat threading
• 12-point head design with wide-area flange eliminates need for valve train removal during retorquing

Performance Advantages:

• Studs allow cylinder heads and gaskets to align perfectly during assembly
• Provides more accurate and consistent torque loading versus bolts
• Studs stretch only on vertical axis during torquing, eliminating rotational stress
• Undercut shorter studs (where applicable) equalize stretch for more consistent clamping force
• Helps prevent head gasket failures through optimized compression compensation

Kit Includes:

• Complete stud set for application
• Hardened parallel-ground washers for even load distribution and accurate torque readings
• 12-point nuts for precise torque application

Each ARP stud is manufactured to exacting tolerances and stamped with the ARP logo as assurance of quality. These fasteners meet ARP's zero-defect, zero-failure quality standard and are trusted by professional engine builders across all forms of motorsports.

Note: Studs should be installed finger-tight in relaxed mode. Always re-torque after initial engine run-in to compensate for head gasket compression.