Shultz Wins at Selinsgrove Selinsgrove Speedway Selinsgrove, PA — Jason Shultz won the 358 sprint car feature Saturday at Selinsgrove Speedway. Related Stories: Shultz Wins at Selinsgrove Franek Wins at Selinsgrove SHULTZ WINS MACH 1 CHASSIS 358-360 SPRINT CAR CHAMPIONSHIP SERIES THRILLER CANNON SCORES CONVINCING 358 SPRINT CAR WIN Stutts Wins Whitcomb Memorial at Selinsgrove Jason ShultzSelinsgrove Speedway