Carburetor Rebuild Kit for Tillotson RK-23HS Aftermarket Carburetor Rebuild Kit for Tillotson Replace Tillotson RK-23HS Use DG-5HS/T if you need a Gasket & Diaphragm Kit For Stihl, Husqvarna, and Homelite models with specified Tillotson carburetors Order by 5.00 PM, ship at next day with USPS first class mail.