The Oni Tools Universal Cylinder Liner Puller Kit, No. ONI300T, is designed to directly replace OEM part numbers PT-6400-C, M50010-B, 3376015, ZTSE2536, and PT-6410-5. The universal liner extractor set works on wet liners from 3-7/8” to 6-1/4” bore, up to 15” deep, with a minimum wall thickness of .148". It's used to safely and correctly remove the cylinder liners while avoiding damage to the cylinders block. The kit is made from heavy duty steel structure machined and finished with powder coating to resist corrosion and ensure a long-term and reliable performance.