Description

  • LS3/L92 Port Configuration
  • “As-cast” runners and combustion chamber
  • 15° valve angle
  • Assembled with 2.00″ intake and 1.55″ exhaust valves
  • 250-cc intake port and 80-cc exhaust port
  • 70-cc combustion chamber
  • Intake flow – 280 cfm @ .600″ lift /
    Exhaust flow – 180 cfm @ .700″ lift
  • Beehive valve springs
  • Uses LS3-/L92-style rocker arms (offset)
  • 3.890″ minimum bore size
  • Uses LS3-/L92-style intake manifold