Jack Smith (born March 18, 1973) is a former American professional

stock car racing Stock car racing is a form of automobile racing run on oval tracks and road courses measuring approximately . It originally used production-model cars, hence the name "stock car", but is now run using cars specifically built for racing. It ori ...

driver. He last competed part-time in the

NASCAR Camping World Truck Series The NASCAR Craftsman Truck Series is a pickup truck racing series owned and operated by the National Association for Stock Car Auto Racing, and is the only series in NASCAR to race production pickup truck based stock cars. The series is one of th ...

, driving the No. 63 for MB Motorsports. Smith has been under an indefinite suspension from NASCAR since November 2011, for violation of the sport's Substance Abuse Policy. Smith was previously suspended in 2010 after attempting to purchase a controlled substanc

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* {{NASCAR-bio-stub 1973 births NASCAR drivers Living people