Comp Cams LS1/LS6 XR277HR 224/228 Lift .534/.537 LSA 112°

GM Gen III/LS1/LS2/LS6 350 c.i. 8 cyl. 1997-PRESENT (Three-Bolt)

2000 to 6800 RPM

54-418-11 XR277HR

ADV DUR. 277 281

DUR @ .050" 224 228

LIFT .534IN .537EXH

LSA 112°

designed for use with FAST LSX intake.
Requires Tuner

Hydraulic Roller-Street Strip camshaft for use with LS6 or after market intake and high ratios. Requires computer modifications.