ARP Chevrolet, Small Block 3/8˝ dia. stud – 3/8" x .750 SS 12pt header stud kit 400-1400 M2 Fitting Size 1: M14 x

Fitting Size 1: M14 x 1

5mm Stroke 92

Supported parameters such as boost pressure

Manufacturer's Part Number: 20-0422

Manufacturer's Part Number: ATI207786V

ARP Chevrolet, Small Block 3/8˝ dia. stud – 3/8" x .750 SS 12pt header stud kit 400-1400 M2 Fitting Size 1: M14 xARP 3 8" x . 750 SS 12pt header stud kit (400 1400) ARP Stainless Steel Header Stud Kits 400 1400 Headers can represent a sizable investment, so you'll want to keep them securely attached. In addition, exhaust leaks can cost you power and even cause damage to your vehicle. ARP stainless steel header studs are the answer. They're made from premium 300 stainless steel, which is rated at 170,000 psi tensile strength much stronger than Grade 8 steel.