Summary: The 2008 K&N Horsepower Challenge pitted the eight best NHRA Pro Stock qualifiers against each other at the NHRA Summit Racing Equipment Nationals in Norwalk, Ohio for a shot a $50,000.
Summary: The 2008 K&N Horsepower Challenge pitted the eight best NHRA Pro Stock qualifiers against each other at the NHRA Summit Racing Equipment Nationals in Norwalk, Ohio for a shot a $50,000.