45° AN Bulkhead -20AN AF837-20 Inverted Adapters manufacturing a wide range of

manufacturing a wide range of race quality products to improve street performance and dependability

• Single Plane Configuration

This Aeroflow Performance billet thermostat housings is specifically designed to suit Ford Cleveland 351 engines and is factory OEM direct replacement

With female 3/8" NPT threads

5L FB25 09/12-on

45° AN Bulkhead -20AN AF837-20 Inverted Adapters manufacturing a wide range of45 AN Bulkhead 20ANBlue Finish AF837 20 837 20 45 Forged AN Bulkhead. Aluminium AN bulkhead with forged 45 degree bend. Bulkhead nuts sold separately AF924 XX. Sizes from 4 to 20 an flare. Available in Blue, Black or Silver.