4Set Engine Piston & Rings Kit For - Captiva Cobalt Equinox HHR12578324 12578326 12593744 Crafted from cast iron, this 4Set Engine Piston & Rings Kit is built to handle the demands of regular vehicle and deliver consistent performance across a range of applications.Designed for durability, these pistons and rings support engine efficiency and contribute to extended engine life.This kit serves as a functional solution for engine maintenance or performance restoration on compatible models. The kit is engineered to fit a variety of vehicles including Captiva, Cobalt, Equinox, and HHR models with part numbers 12578324, 12578326, and 12593744.Its broad compatibility a precise fit for select engines.Professional installation is advised to correct alignment and secure mounting, which supports engine function. Including four complete sets of pistons and rings, the kit provides spare components for future use, helping to minimize downtime in case of wear or failure.Constructed with resilient materials and designed for , this piston and rings kit supports long-term engine performance and is a practical option for engine repair or rebuilding projects. Disclaimer: This replacement is not affiliated with any manufacturer.Model references indicate fitment only.