ENGINEPRO Stage 2 HP Hyd Camshaft Kit w Timing Set for Chevy SBC 305 350 5.7L 

Advertized Duration 295/310

Duration @ .050 (Int/Exh):224/214

Gross Valve Lift (Int/Exh): ..430/.465

LSA/ICL: 107/117

Valve Lash (Int/Exh): Hyd/Hyd

RPM Range: 1500-6000