Header Stud Kit, 3/8 Inch Diameter

Each stud measures 3/8 inch in diameter with an overall length of 1.67 inches, offering a robust and reliable connection. The kit comes complete with 12-point nuts and washers, simplifying installation and ensuring proper torque. Crafted from stainless steel, these header studs offer excellent corrosion resistance and durability, making them suitable for demanding engine environments. ARP, a company with a long-standing reputation for fastener excellence dating back to 1968, designs these studs to meet the needs of both high-performance replacement and specialized racing applications, including Formula 1, IndyCar, and NASCAR. The 12-point nut style allows for a secure grip and easier tightening, while the included washers help to distribute clamping force evenly. The 3/8 inch thread size and 1.67 inch length are critical specifications for ensuring proper fitment and function with compatible exhaust headers.