This 1/4" thick phenolic riser kit for the Holley 2300 carb and will fit other models as well. Add a little performance to your machine the cheap way, and keep the heat away from the carburetor to solve the heat soak or carburetor boiling issues. This kit will do all three carburetors with the correct length for the studs.
These are 1" billet 6061 aluminum carb spacers that will work for the small and big block Mopar engines. This kit has the large center carb and two smaller outboard aluminum risers The kit includes three 1" aluminum risers, gaskets, studs, nuts and washers. Free sticker with shipment.