Carb Stud Kit Bolts Stainless Steel Aftermarket Carburetor SBC BBC SBF - Bolt Kit for Installing Carb to Intake Manifold - Fitment: Fits Most Aftermarket Carburetors; Fits Most Carbs with Up To ½” Thick Flanges; Will Not Fit: Quadrajet Carburetors; Will Not Fit: Applications With Carb Spacers. - Specifications: Hardened 304 Stainless Steel; (4) 5/16" x 1 1/2" Studs (polished); (4) 5/16" Hex Locking Flange Nuts (polished).