The BRIGGS & STRATTON 31R907-0007-G1 Engine Gross 17.5HP delivers dependable power output designed to support smooth, efficient performance in riding mowers and similar outdoor equipment. This engine works through a reliable single-cylinder, air-cooled system that ensures consistent operation while reducing heat buildup during extended use. Its OHV design improves fuel efficiency and ... https://www.wholetoolbox.com/briggs-stratton-31r907-0007-g1-engine-gross-17-5hp