Audi B5 S4 / RS4 PNP for EMU Black ECU:EMU Black use a 1/4 inch spacer

use a 1/4 inch spacer between the cover bolt holes and the pulley bolt holes

Mandrel Bent Intake Pipe in 4"

200" wall wrist pins and Total Seal proprietary Advanced Profile ring set

• Capable of supporting 900+HP at 60PSI naturally aspirated applications

Made completely from billet aluminum

Audi B5 S4 / RS4 PNP for EMU Black ECU:EMU Black use a 1/4 inch spacerECUMASTER Plug and Play adapter for the Audi B5 S4 RS4 allows for plug and play installation of EMU Black standalone ECU. All ECUs are sold separately. The Audi B5 S4 RS4 adapter was developed on vehicles with the AGB and ASJ engine code. Customers have found other engine codes to be the same configuration. Please check the ECU pinout diagram your engine code to verify it matches the AGB ASJ pinout before purchasing. Works with 1999 2001 S4 2. 7T 1999