Click to expand Tap to zoom Lisle, Valve Seat Lapper Tool. Large by Lisle Save £-13.65 £13.65 | / SKU MCS530793 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart DescriptionLisle, valve seat lapper tool. LargeDetailsWith Large 1-1/8 & 1-3/8" suction cups. Used to perform final hand lapping of the valve seat. Suction cups affix to flat and dished valve face.Univ.