ARP 100-3225 5/16-24 x 3.250 Water Pump Pulley Stud Kit with Fan Spacer

The ARP 100-3225 is a high-strength water pump pulley stud kit designed for demanding engine applications. This kit features 5/16-24 thread pitch studs with a 3.250-inch length, providing secure mounting for water pump pulleys while incorporating a 2.000-inch fan spacer for proper clearance.

Key Features:

• Premium ARP 8740 chromoly steel construction for superior tensile strength
• Black oxide finish for corrosion resistance and professional appearance
• 12-point head design for easier installation and precise torque application
• Integrated 2.000-inch fan spacer accommodates aftermarket fans and clearance requirements
• 5/16-24 thread pitch for standard water pump pulley applications
• 3.250-inch overall length optimized for most small and big block configurations

ARP studs are engineered to exceed OEM specifications, providing consistent clamping force and eliminating the risk of fastener failure under high-stress conditions. The 12-point head design allows for more precise torque application and easier access in tight engine compartments. This kit is ideal for performance and racing applications where reliability is critical.