These Schumacher Racing Products front hub carriers are factory replacement steering knuckles designed for the CAT L1 EVO platform. They mount the front axle and connect the steering and suspension geometry, making them a direct swap when originals become worn or damaged. Sold as a left and right pair. Features: Left and right hub carriers included Designed for the Schumacher CAT L1 EVO platform Factory replacement suspension knuckles 7/7/26 cs