ARP 400-3226 5/16-24 x 3.500 Stainless Steel 12-Point Water Pump Pulley Stud Kit

The ARP 400-3226 is a premium stainless steel stud kit designed for water pump and pulley mounting applications. This specialized fastener kit features 5/16-24 thread pitch with an extended 3.500-inch length to accommodate both water pump pulley mounting and a 2.250-inch fan spacer configuration.

Key Specifications:

• Thread Size: 5/16-24
• Overall Length: 3.500 inches
• Fan Spacer Accommodation: 2.250 inches
• Material: Corrosion-resistant stainless steel construction
• Head Style: 12-point design for precise torque application
• Application: Water pump pulley mounting with fan spacer

ARP (Automotive Racing Products) manufactures these studs from high-quality stainless steel to resist corrosion and provide reliable clamping force in demanding engine environments. The 12-point head design allows for easier access in tight spaces and more precise torque wrench engagement compared to standard 6-point fasteners. This stud kit is ideal for custom engine builds requiring extended fan spacing or specialized water pump pulley configurations.