MAYETTA, Kan. – A top prize of $1,700 and a Fast Shafts All-Star Invitational ballot berth are at stake Saturday for IMCA Modifieds Thunder Hill Speedway.The 17th annual Oren Covert Memorial Race headlines the July 21 program with the BSB Manufacturing Modified winner also receiving the traditional toolbox trophy.All registered drivers taking a green flag in the heat or feature will receive an additional $8 at payout. This extra money makes the driver’s pit pass for the event $17. Other contingencies will also be available.IMCA Sunoco Stock Cars, Karl Chevrolet Northern SportMods and IMCA Sunoco Hobby Stocks complete the card. All IMCA points, including local track, will be given in each division.General admission gates open at 5 p.m., with adults $10 and kids 12 and under free. Coolers are allowed for a $10 fee, with canned beer only.Pit gates open at 5 p.m. and the draw closes at 6:30 p.m., with the drivers’ meeting and racing to follow. Pit passes are $25, with kids 12 and under $10.Covert was a long-time area racer and passed away in 2002 at the age of 61. He raced in many classes, always running the familiar no. 17.A favorite of fans and his fellow competitors, Covert started racing in Jalopies, moving to Supermodifieds, Sprint Cars, Stock Cars, Late Models, and finally ending in Modifieds.