Aggressive hydraulic am, great upper RPM. Needs good breathing and engine combo, etc.

Notes: Must use performance springs. Must use performance retainers. Machining required to fit these components. Must use performance seal.

Crow Cams Holden 355 5L EFI VN Style Heads 234/234

  • Part No: 4620
    Rev Range: 2700-6200
    Intake Duration @ .050": 234
    Exhaust Duration @ .050": 234
    Intake Valve Lift: .521"
    Exhaust Valve Lift: .521"
    Lobe L/C: 110