234 Model Ingersoll Rand Type 30 compatible Major Overhaul Kit – 234-2B. Major overhaul kits (MOKs) includes aluminum connecting rods, crankpin bushings, main bearings, gasket kit, piston ring set, intake and discharge valves, oil seal, and air filter element to rebuild one 234B Type 30, IR Air Compressor. This major overhaul kit is assembled with all the parts to completely overhaul your IR compressor pump. It includes the level II, level III, level IV step saver kits so you do not have to buy each separately. This kit includes 32159337, 32127342, 32127359. This is not a Ingersoll Rand parts but it is compatible and fits to IR Air Compressors. This is a Private-label parts. ****Please note, picture shows in listing may not actual kit.****