MERCEDES AMG 5.5-V8
ECU & PULLEY UPGRADE

XTRA Power ECU and Pulley Kit for the AMG 55 series will squeeze out another 100HP min from the Mercedes AMG 5.5L-V8. Simple installation with extreme results.
Kits include ECU, wiring and connectors, crank pulley and belt. Kits also include wiring diagrams and installation instructions.