Strong mid range and top end power. Needs computer, pipes, heads, ignition, hi stall and roller rockers.

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 238/243

  • Part No: 4690
    Rev Range: 3000-6200
    Intake Duration @ .050": 238
    Exhaust Duration @ .050": 243
    Intake Valve Lift: .524"
    Exhaust Valve Lift: .524"
    Lobe L/C: 108