Valve Seat Grinder Stone Dresser Stand Machine & Dresser For Sioux/Black & Decker. VALVE SEAT GRINDER STONE DRESSER STAND Machine&DRESSER FOR SIOUX /BLACK & DECKER. VALVE SEAT GRINDER STONE DRESSER STAND. FOR BLACK & DECKER, SIOUX, KWIK KAY. Suitable for Black and Decker, Sioux and Two Wheeler, four wheeler Valve Seat Stone Dresser. Stand Setting as per Valve Seat Cutter 20 Degree, 30 Degree, 45 Degree. EQUIPPED WITH 0.50 CARAT DIAMOND DRESSER. THREAD SIZE: 3/8 X 24 UNF. And 1 sioux pilot. Track Page Views With.