Derale 20" Rigid Race Fan (Steel Blade) HYSXSM11M61 625 in Square Port

625 in Square Port

If the two halves fit together without a gap

640" ID that works well with our 932

For firewalls

1965-1981 Oldsmobile Cutlass

Derale 20" Rigid Race Fan (Steel Blade) HYSXSM11M61 625 in Square PortDerale 20in Rigid Race Fan (Steel Blade) Features: Mechanical Cooling Fan Rigid Race 20 in Fan 6 Blade 5 8 in Pilot Universal Bolt Pattern Steel Black Powder Coat Sold Individually Steel fan blades, Maximum full time airflow, Rated up to 8,000 RPM, 20" standard rotation rigid fan designDerale has been the leader in performance cooling for decades. Derale prides themselves in manufacturing high quality, high performance cooling products for O. E. M.