RENNtech | High Pressure Fuel Pump Upgrade | M177 - 4.0L V8 BiTurbo mercedes-benz-slk-class--172---2011-2020--slk-350-esr9893956 Virtually no lag with impressive

Virtually no lag with impressive throttle response

Continental GT Speed (MY2021+)

GLC63 AMG 4MATIC+ (MY2016+ | W253 | M177 | 4

the user can set the desired ride height using RENNtech App on their Apple and/or Android phone

Up to 670HP and 840LB-FT

RENNtech | High Pressure Fuel Pump Upgrade | M177 - 4.0L V8 BiTurbo mercedes-benz-slk-class--172---2011-2020--slk-350-esr9893956 Virtually no lag with impressiveHigh Pressure Fuel Pump Upgrade Kit M177 Twin Scroll The RENNtech HPFP upgrade is for serious enthusiasts. Flowing 37% more fuel than stock, the RENNtech HPFPs will provide you with enough fuel to make significantly more power. This kit has been used on vehicles making 1000whp on Race Fuel. Alternatively, it can be used with smaller turbos and ethanol. The RENNtech HPFP kit has been designed with an emphasis on reliability and performance. The