Optimizes mid-range and top-end horsepower and torque, raising peak power 700 rpm Fast Ramp & AMAX Technologies Horsepower Gain: 20-25 / Torque Gains 18-22 lb-ft / RPM Range: 1,500 - 9,400 Intake Duration / Lift: 260° / 12.65mm | Exhaust Duration / Lift: 272° / 11.90mm Intake Centerline: 100° | Exhaust Centerline: 104° Valve Clearance (Intake / Exhaust): .007” / .008”