1 1/2 inch standard length. The integral socket head on these fully threaded 5/16 inch-18 carburetor studs facilitates removal and installation. Kit contains four black plated studs with zinc plated studs with zinc plated hex nuts and flat washers. Product Features:Fits up to 1-3/4 in. spacersMade of zinc coated steel5/16-24 and 5/16x16 threads4 ea per set
