Enhance the performance of your Cummins engine with this 6sets 4956091 Piston Ring Set. Specifically designed to fit a range of models including QSK45, QSK60, CM500, CM2150, and MCRS, these rings are a versatile solution for your engine needs. Manufactured in China, the set is crafted with precision to meet OEM standards, ensuring reliability and durability for your machinery. Each set includes piston rings meticulously engineered for the specified Cummins engines, providing a snug fit and optimal function. This product is an ideal choice for maintenance professionals or DIY enthusiasts looking to replace or upgrade their engine's piston rings. Compatibility with multiple engine models makes this set a practical investment for your power equipment.