RENNtech | High Pressure Fuel Pump Upgrade | M177 - 4.0L V8 BiTurbo bentley-flying-spur--2020-present--4-0l-v8-tfsi-esr8250520 Rated by Mercedes-Benz: 503 HP

Rated by Mercedes-Benz:        503 HP @ 5

000 RPM delivering peak gains of +194 HP and +135 LB-FT without sacrificing traction and drivability in the lower RPM range

CLASS S (W 220) 280 [2 Filters Required] (HP: 204 | Year: 98 > 05)

The design and engineering teams at RENNtech HQ spent countless hours fine tuning the part to perfectly compliment the AMG GT R exterior while improving the underbody airflow

664 LB-FT @ 2

RENNtech | High Pressure Fuel Pump Upgrade | M177 - 4.0L V8 BiTurbo bentley-flying-spur--2020-present--4-0l-v8-tfsi-esr8250520 Rated by Mercedes-Benz: 503 HPHigh Pressure Fuel Pump Upgrade Kit M177 Single 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