Mr. Gasket 61 2" Carburetor Studs - Set of 4 Puts an end to stripped out threads in cast aluminum manifolds Holds the gasket in place and perfectly aligns the carburetor in position Zinc plated and 2.000 inches long with five sixteenths coarse threads on one end and five sixteenths fine threads on the other Package of four with four matching nuts and washers Complete sets of 1.375 inch studs (Mr. Gasket part number 59) 1.500 inch studs (Mr. Gasket part number 60) and 2.500 inch studs (Mr. Gasket part number 62) also are available