Mustang Cougar 289 302 RV torque Cam Lifter Kit lifters (Torque/RV Cam) Class I torque camshaft for good daily usage, economy, light towing, and mild bracket racing ADV Duration (INT/EXH): 280 / 290 Duration @ .050" (INT/EXH): 204 / 214 Valve Lift (INT/EXH): .448 / .472 Power Range: 1200-4700