The new COMP Cams XFI (Xtreme Fuel Injection) camshafts for Hemi-powered Chrysler vehicles dramatically increase engine horsepower and torque, yet retain compatibility with reprogrammed OEM vehicle computer systems.
COMP Cams 112-501-11 Details
Dodge 5.7L & 6.1L Hemi 2003-2008 5.7L HEMI 2006-2010 6.1L HEMI
The XFI 260 netted 20 additional ft pounds of torque in lower rpm ranges with a peak of 31 additional hp.
The XE 268 camshaft added 14 ft lbs of torque at low rpm and 47 additional peak horsepower.
The amazing Comp Cams XFI 273 camshaft yielded it's most significant horsepower increases over 4500 rpm generating 61 more horsepower than the stock Hemi 5.7-liter engine.
Intake Valve Lift (in.)
Exhaust Valve Lift (in.)
Int. Duration @ .050 in. (Deg)
Exh. Duration @ .050 in. (Deg)
Int. Duration Advertised (Deg)
Exh. Duration Advertised (Deg)
Mopar 426 Hemi
268 int./272 exh.
Advertised Exhaust Duration
Advertised Intake Duration
Basic Operating RPM Range
Hydraulic roller tappet
Duration at 050 inch Lift
216 int./220 exh.
Exhaust Duration at 050 inch Lift
Exhaust Valve Lift with Factory Rocker Arm Ratio (
Intake Duration at 050 inch Lift
Intake Valve Lift with Factory Rocker Arm Ratio (i
Valve Lift with Factory Rocker Arm Ratio
0.528 int./0.531 exh.
Valve Springs Required
Lobe Separation (Deg)
Manufacturer's Part Number: