Give your Mustang more muscle! COMP Cams CR Series camshafts increase power and torque capabilities throughout the curve. They greatly improve upon stock Coyote camshafts and work without modifications to the engine’s cylinder heads or phasers. Camshafts are the best way to unlock the power potential of your Coyote engines. The CR Series is offered in three stages for naturally aspirated and turbo engines, as well as two separate grinds for blower applications. Designed to be a direct replacement, the CR Series camshafts, they are compatible with the stock valve springs and the new Ford mid-lock phaser system—without requiring limiters or any other phaser modifications. Cam Style: Hydraulic roller follower Basic Operating RPM Range: 1,600-7,000 Intake Duration at 050 inch Lift: 227 Exhaust Duration at 050 inch Lift: 229 Duration at 050 inch Lift: 227 int./229 exh. Advertised Intake Duration: 263 Advertised Exhaust Duration: 270 Advertised Duration: 263 int./270 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.516 in. Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.514 in. Valve Lift with Factory Rocker Arm Ratio: 0.516 int./0.514 exh. Lobe Separation (degrees): 127 Camshaft Gear Attachment: 3-bolt Computer-Controlled Compatible: Yes Grind Number: F5.0F CYR263NAH 127 Valve Springs Required: No