...Pro Series XP Racing Valve Springs are engineered to handle the demands of extreme-lift camshafts operating at prolonged, high-rpm use at championship-level racing...
...For turbocharged applications, the large in a Silent Hiand smooth exhaust flow allows greater exhaust velocity for better mid-range boost response and high-RPM power...
...For turbocharged applications, the large and smooth exhaust flow allows greater exhaust velocity for better mid-range boost response and high-RPM power...
...For turbocharged applications, the large and smooth exhaust flow allows greater exhaust velocity for better mid-range boost response and high-RPM power...