Click to expand Tap to zoom Lisle, Valve Seat Lapper Tool. Small by Lisle Save £-12.04 £12.04 | / SKU MCS530794 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart DescriptionLisle, valve seat lapper tool. SmallDetailsWith small 5/8" & 13/16" suction cups. Used to perform final hand lapping of the valve seat. Suction cups affix to flat and dished valve face.