− Decrease quantity for Carburetor Studs, Steel, Zinc Plated, 5/16-18/24 in. x 2.500 in. Long, Set of 4 Quantity + Increase quantity for Carburetor Studs, Steel, Zinc Plated, 5/16-18/24 in. x 2.500 in. Long, Set of 4 Add to cart