Allstar ALL26185 1.2" I.D 1/2" Tall Carburetor Base Plate Insert, (Pack of 4) Carburetor base plate inserts are 1.200 inch i.d and 1/2 inch tall The inserts are designed for use with Allstar part 26060 adjustable carburetor base plate Sold as one set of 4 pieces It has a 90 day limited warranty