Click to expand Tap to zoom Ford EFI Regulator Adapter -8AN with .550" Shank AF64-5508S AF64-5508S - FORD EFI REGULATOR ADAPTER SKU AF64-5508S by Aeroflow Performance Original price $32.55 - Original price $32.55 Original price $32.55 $32.55 $32.55 - $32.55 Current price $32.55 | / $37.4325 Including GST (NZ Customers only) Availability: in stock, ready to be shipped Choose a variant Silver Finish - $32.55 Product Silver 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" ShankSilver FinishAF64-5508S64-5508SEFI Regulator Adapter. This adapter allows you to run an aftermarket Fuel Pressure Regulator with various Ford factory fuel rails featuring a .550" shank length.