Proflow''s Hydraulic Roller Camshaft "Sloppy Stage 1" for GM LS series V8 engines (LS1, LS3, etc.), designed for enhanced power with a noticeable but streetable idle, offering .560" lift, 216/220 duration at .050", and 114° LSA, making it ideal for performance builds seeking mid-range to top-end power without sacrificing too much low-end torque, though it requires specific LS engines without Active Fuel Management (AFM) and often benefits from upgraded valve springs and a 3-bolt cam gear conversion. 

  • Engine: LS
  • Camshaft Type: Hydraulic Roller
  • RPM Range: 2000 to 4800 RPM
  • Intake Valve Lift: 0.560 in.
  • Exhaust Valve Lift: 0.560 in.
  • Advertised Intake Duration: 285 deg.
  • Advertised Exhaust Duration: 292 deg.
  • Intake Duration @ .050": 216 deg.
  • Exhaust Duration @ .050": 220 deg.
  • Lobe Separation: 114 deg.
  • Intake Centerline: 110 deg.
  • Firing Order: Standard
  • Cam Gear Attachment: Bolt On
  • Usage: Street Performance
  • Requires Aftermarket Valve Springs: Yes - 110 lbs On Seat, 280 lbs Open

 

 

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