Click to expand Tap to zoom Jim's, Piston Ring End Gapping Tool for Univ. by Jim's Save £-322.57 £322.57 | / SKU MCS961427 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart DescriptionJIMS, piston ring end gapping toolDetailsHand operated grinder with carbide coated steel blades. Simple but effective way to grind piston ring end gap to exact specifcations. Note: See 961428 for replacement grinding blades.Univ.