for 1997-2007 GM LS1 LS2 V8 Engines
Valve Lift: (intake/exhaust): .585"/.585"
Intake Duration: 283
Exhaust Duration: 286
"Duration @ .050 : 228/230
Lobe Seperation: 112°
Intake Centerline : 108°
Recommended Compression: 10.5:1-11:1
Power Range : 2500-6500