Brian Crower Stage 3 280 Camshafts - 2004-2007 Subaru STI, 2006-2007 WRX

HIGHLIGHTS: 280-degree intake and exhaust duration Ideal for those with a built engine and a large turbo Upgraded valve train and tune required Brian Crower Stage 3 280 Camshafts STAGE 3 SPECS: Advance / Duration: 280/280 Duration @ .050: 234/234 Lift (in): .425"/.425" Lift (mm): 10.80/10.80 Upgraded valve springs will be required to run these camshafts   STOCK EJ257 CAM SPECS FOR REFERENCE: Advance / Duration: 256/256 Duration @ .050: 204/208 Lift (in): .378"/.385" Lift (mm): 9.60/9.78   FOR THOSE OF YOU WHO NEED TO OPTIMIZE THE POWERBAND ON THAT BIG TURBO BUILD The Brian Crower Stage 3 AVCS Camshafts have a longer duration profile along with an added RPM potential. These cams are intended for a fully built engine, where tuning and upgraded valve springs and retainers are required. With an increase in the duration, these will optimize the spool and powerband of a larger turbo to increase the MPH on the 1/4 mile or straightaway with the increase in both HP and torque.