XMAN TURBOS. Here is a video guide that explains how to fit and adjust the core if you don't have a flow bench (and assuming that the old turbo was correctly adjusted!).
NEW 1.9L VW TDI OEM Replacement VNT15 Golf Jetta beetle Turbocharger Turbo 99-03
RAM 1517 Steel Flywheel for 1983-1985 Ford F-250/F-350 7.5L
K&N 57-1517-2 Performance Cold Air Intake for 2000-2003 Dakota / Durango 5.9L V8
BBK Performance 1517 65mm Throttle Body for 1986-1993 Ford Mustang 5.0L V8
Mr Gasket Fuel Pump Block-Off Plate 1517; Chrome Steel for Ford 351C, 351M/400