A camshaft , other than stock, designed to improve engine performance by altering cam profile . Provides increased lift, faster opening and closing, earlier opening and later closing, etc. Race camshafts are available as semi-race or street grind, three-quarter race camshaft or full race. Grinds in between these general categories are also available.
RACE CAMSHAFT
Meaning of RACE CAMSHAFT in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012