HYDRAULIC ROLLER-Noticeable idle, moderate tuning modifications, strong midrange. Needs programmer.
In recent dyno tests on a Hemi engine using COMP's #26918 beehive valve springs and upgraded exhaust, 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.
Advertised Duration 268/272, Lift .528/.531