Restore the power and reliability of your small engine with this aftermarket piston ring set, designed to replace B & S part numbers 299742 and 298982. Compatible with 3.5HP and 5HP Classic and Quantum Series engines, this set helps maintain optimal compression and smooth engine performance. Commonly used on walk-behind lawnmowers, garden tillers, edgers, pressure washers, and other outdoor power equipment. This is an aftermarket replacement part, not an original B riggs product. Always check your model and part numbers before ordering to avoid installation issues. Includes: Complete piston ring set for one piston — ready to install.