Refacing valve seats Home / Product Ranges / Automotive / Refacing Valve Seats Valve Seat Turning Tools With the hand-operated VD valve seat turning tools, engine valve seats are repaired using a precision turning process. VDS1A Valve Seat Turning Tool Hunger valve seat turning tool for valve seats with 14 - 60mm diameter VDS2 Valve Seat Turning Tool Hunger valve seat turning tool for valve seats with 30 - 90mm diameter VD2 Valve Seat Turning Tool Hunger valve seat turning tool for 30° and 45° valve seats with 30 - 90mm diameter