ARP Pro Series Carburetor Stud - 5/16-18 and 5/16-24 in Thread - 2.7 in Long - Hex Nuts - Drilled - Chromoly - Black Oxide - Set of 4 H762001 The mufflers are directional

The mufflers are directional

Flange Size: 4150

7/16-24 in Inverted Flare Male

heavy rain

ARP Pro Series Carburetor Stud - 5/16-18 and 5/16-24 in Thread - 2.7 in Long - Hex Nuts - Drilled - Chromoly - Black Oxide - Set of 4 H762001 The mufflers are directionalARP carburetor studs assist you in gasket placement when you place the carburetor on your manifold. Studs have a nut starter radius that helps prevent cross threading. Kits come complete with studs washers and hex nuts. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware