NASCARAcronym for the National Association for Stock Car Auto Racing, the sanctioning body for the NASCAR Nextel Cup, Craftsman Truck and Busch Series among others.
NBSAbbreviation of NASCAR's Busch Series.
NEW SPACERTerm used for a new engine because it fills the space between the chassis and transmission.
NEXTEL CupThe world's premier stock car racing series sanctioned by NASCAR. Term also given to the trophy awarded to each season's Drivers' Champion beginning in 2004.
NHRAAbbreviation of National Hot Rod Association