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Retro Fit Hyd Roller Cam - Chevrolet Big Block 290/300 #20110547 Previous Part #50247LUN Hydraulic, rough idle. Good in Pro Street or Bracket race car. Needs 3500 RPM stall converter, headers, 10:1 compression ratio minimum and 4.10 minimum gearing.
- Advertised Duration (Int/Exh): 290/300
- Duration @ .050 (Int/Exh): 240/250
- Gross Valve Lift (Int/Exh): .520/.540
- LSA/ICL: 106/102
- Valve Lash (Int/Exh): Hyd/Hyd
- RPM Range: 3200-6600
- Includes: Cam Only
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