CSF Universal Dual-Pass internal/external Oil Cooler - 22.0in L x 5.0in H x 2.25in WCSF offers the best and most advanced Oil Coolers on the market. So when it comes to keeping your engine oil temps down as you push your Vehicle hard on the street or track, a CSF Oil Cooler is the obvious choice. Heavy duty bar plate construction for durability & strength (Ideal for external placement) Dual pass design Turbulated 8 row core w high density multi louvered fin pitch 10 AN Male inlet outlet connections Flip able universal design for