This is brand new unused aftermarket 234 Model Type 30 Ingersoll Rand compatible Rebuild Tune Up kit. This kit have been assembled to simplify ordering. This kit includes gasket kit, piston ring set, oil seal, wearing valve discs and springs to recondition one 234 Air Compressor. This is not a Ingersoll Rand parts but it is compatible and fits to IR Air Compressors. This is a Private-label parts.