When it's time to rebuild your LS engine, quality piston rings make all the difference. The Michigan Motorsports 2M4978 piston ring set provides the perfect foundation for restoring compression and ensuring your engine runs smoothly for years to come. These premium rings are engineered specifically for stock bore LS pistons, eliminating the need for additional machining and simplifying your rebuild process.
Each ring in this set is crafted from high-quality materials designed to withstand the demands of both daily driving and performance applications. The top ring features durable steel construction, while the second ring utilizes grey iron for optimal compression sealing. The 1st oil ring combines a steel rail with stainless steel expansion, providing excellent oil control while maintaining durability under high temperatures and pressure.
This ring set is specifically designed for 4.8L and 5.3L LS-based engines, covering an impressive range of applications from 1999 to 2015. Whether you're working with an LM7, L59, LS4, LY5, LMG, LMF, LH6, LC9, or L33 engine, these rings provide the precise fit you need. The standard bore size (3.779" / 96mm) ensures compatibility with stock pistons across various VIN configurations.
Hastings has been manufacturing quality piston rings for decades, and the 2M4978 set continues that tradition of excellence. Whether you're rebuilding a daily driver, work truck, or performance engine, these rings deliver the compression and sealing characteristics your engine needs to perform at its best. The complete set includes all three rings needed for one engine, making your rebuild project straightforward and efficient.
