LSR 227/243 Hydraulic Roller Cam for GM GEN IV w/o VVT or AFM
Engine: GM LS GEN IV Single-Bolt w/o VVT
Camshaft Type: Hydraulic Roller
RPM Range: 1900 to 7000
Intake Valve Lift: .614
Exhaust Valve Lift: .624
Advertised Intake Duration: 277
Advertised Exhaust Duration: 293
Intake Duration @ .050″: 227
Exhaust Duration @ .050″: 243
Lobe Separation: 113°
Recommended Lifters: 7955-16
Recommended Retainers: 623-16
Recommended Valve Locks: 511-16
Recommended Pushrods: 1779-16
Good street/strip cam with wide power range.