90 Reducer Elbow 2.50"-2.75" Black TS-HRE9250275-BK Category_Trigger Kit Accessories Fuel Rail Adaptor (Silver) -

Fuel Rail Adaptor (Silver) - Allows Fitment of the Turbosmart Fuel Pressure Regulator to the OEM Fuel Rail

Although slotted is universal most of the time

Artec Performance Stainless Steel Cast "Big Daddy" VBand Turbo Manifold for 2JZGTE

But of course some nice aftermarket Titanium ones would make the install look a bit nicer which are listed here:

the performance of a bolt is strictly limited to its stretch

90 Reducer Elbow 2.50"-2.75" Black TS-HRE9250275-BK Category_Trigger Kit Accessories Fuel Rail Adaptor (Silver) -High performance multi layered Silicone hose. Constant temp resistant from 50 to 170 degrees Celsius ( 60 to 340 degrees Fahrenheit) and pressure rated to 220PSI with a 5mm wall thickness. Engineered to Win by Turbosmart.