COMP Cams Camshaft CS Nx262H-13Fits '58 '02 262 400 c. i. d. Chevy Small BlocksHigh performance street Applications with 100 150 HP nitrous kit or small blowerXtreme Energy Cams are designed to maximize torque, acceleration and throttle response while providing excellent high RPM horsepower. A faster intake valve opening increases engine vacuum and enhances throttle response. Special intake closing ramps close the valve sooner, providing more cylinder pressure and torque without