UMP Street Stock Racing Motor for Sale. Asking $2,000 or best offer (OBO). Paid $3,500 for it. This 355 Chevy motor is new and was built by NTP in Bellville IL 4 years ago. The engine has never been raced and was built according to UMP Dirt-car rules. Engine stand included at no extra cost. Call Max’s cell at 916-342-6065 for more details. Thanks. Cheers!