Camshaft Model Or Series: LSR
Engine: GM LS GEN IV Single-Bolt w/o VVT
Camshaft Type: Hydraulic Roller
RPM Range: 1500 to 6700
Intake Valve Lift: .607
Exhaust Valve Lift: .621
Advertised Intake Duration: 269
Advertised Exhaust Duration: 285
Intake Duration @ .050″: 219
Exhaust Duration @ .050″: 235
Lobe Separation: 113°
Recommended Lifters: 7955-16
Recommended Retainers: 623-16
Recommended Valve Locks: 511-16
Recommended Pushrods: 1779-16
Excellent torque with a very broad power range. Great for street performance and drive ability.