Speedway cam works well in the higher RPM range, needs good valve train

Crow Cams Ford 6 X-flow 250 4.1L Speedway 231/231

AU$304.00Price
  • Part No: 14672
    Rev Range: 3000-6200
    Intake Duration @ .050": 231
    Exhaust Duration @ .050": 231
    Intake Valve Lift: .550
    Exhaust Valve Lift: .550
    Lobe L/C: 108
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