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347 Stroker Small Block Ford Cylinder Heads

According to FRPP (and our own airflow testing), the intake ports on the Z304 heads flowed more than 275 cfm.
475hp 347 Stroker Ford Small Block - Catching Zzzzs

 According to FRPP (and our own airflow testing), the intake ports on the Z304 heads flowed more than 275 cfm.  View Related Article

 

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