GK Racing

GK Racing (formerly Clay Greenfield Motorsports and Alger Motorsports) is an American professional stock car racing team that competes part-time in the NASCAR Craftsman Truck Series, fielding the No.

The team debuted as Alger Motorsports, running a part-time schedule in the 2011 NASCAR Camping World Truck Series season.

The team started out strong by earning the fastest time at the Daytona International Raceway during practice.

The next few seasons were based on a part-time effort whenever funding was available as starts have mainly been attempted at super speedways.

Also that year, CGM hired NASCAR on Fox studio commentator Jeff Hammond to come out of retirement and crew chief the truck in its part-time schedule of races.

68 at the Daytona RC in a partnership with Jordan Anderson Racing, but failed to do so due to the chassis not properly admitted.

For 2021, Greenfield announced that his team would run the full season in the Truck Series for the first time.