Swanlake Valve Lapper Set with 4 Suction Plates

Combine a lapping compound (not included) to lap valves to match valve seats Suction cups are strong enough for repeated use This set is durable and comfortable in any garage or tough worksite 4pcs suction cups extra make this set more cost-effective. 9″ tool with 1-1/8″ and 1-3/8″ cups. 8″ tool with 5/8″ and 13/16″ cups.