COMP Cams XFI AFM GM Gen IV camshafts are designed to work with the VVT (variable valve timing) and AFM (active fuel management) components of GM V8 engines. They deliver outstanding top-end power in modified L99-style applications without sacrificing low-end power when properly programmed. Get an increase in performance with the lobe profile of COMP Cams XFI AFM GM Gen IV camshafts.

Specifications

Cam Style:Hydraulic roller tappet

Basic Operating RPM Range:1,600-6,300

Intake Duration at 050 inch Lift:212

Exhaust Duration at 050 inch Lift:224

Duration at 050 inch Lift:212 int./224 exh.

Advertised Intake Duration:275

Advertised Exhaust Duration:286

Advertised Duration:275 int./286 exh.

Intake Valve Lift with Factory Rocker Arm Ratio:0.500 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio:0.500 in.

Valve Lift with Factory Rocker Arm Ratio:0.500 int./0.500 exh.

Lobe Separation (degrees):115

Camshaft Gear Attachment:1-bolt

Computer-Controlled Compatible:Yes

Valve Springs Required:No

Camshaft Manufacturers Description:Great all-around torque for trucks and other heavy applications; across the board improvements in power over stock active fuel management (AFM) cams.

Quantity:Sold individually.

Notes:For engines without variable valve timing (VVT), but with active fuel management/displacement on demand (AFM).

Vehicle Fitments: