Click to expand Tap to zoom Ford EFI Regulator Adapter -8AN with .550" Shank AF64-5508BLK AF64-5508BLK - FORD EFI REGULATOR ADAPTER SKU AF64-5508BLK by Aeroflow Performance Original price $32.53 - Original price $32.53 Original price $32.53 $32.53 $32.53 - $32.53 Current price $32.53 | / $37.4095 Including GST (NZ Customers only) Availability: in stock, ready to be shipped Choose a variant Black Finish - $32.53 Product Black Finish Quantity Add to cart Buy it now This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Ford EFI Regulator Adapter -8AN with .550" ShankBlack FinishAF64-5508BLK64-5508BLKEFI Regulator Adapter. This adapter allows you to run an aftermarket Fuel Pressure Regulator with various Ford factory fuel rails featuring a .550" shank length.