The BRIGGS & STRATTON 697692 Engine Ring Set provides a secure seal between the piston and cylinder for reliable engine compression and performance. Designed as a replacement piston ring set, it fits compatible Briggs & Stratton engines to maintain proper compression and control oil consumption. It works by sealing the combustion chamber while regulating oil on the cylinder walls for ... https://www.wholetoolbox.com/briggs-stratton-697692-engine-ring-set