The race-ready Polaris RZR Pro R Factory sells for $139,999, which is a relative bargain compared to bespoke racing UTVs.

SportsLine's Mike McClure gives his top NASCAR Fantasy picks for this week's 2025 Pennzoil 400 at Las Vegas Motor Speedway on ...

Nick Polimeni works as a vintage race car mechanic for GMT Racing in Connecticut, readying them for the racing prime time.