RENNtech | High Pressure Fuel Pump Upgrade | M177 - 4.0L V8 BiTurbo mercedes-benz-sls-amg--197---2011-2014--esr6567267 93+ Octane gasoline is mandatory

93+ Octane gasoline is mandatory with this Performance Upgrade

Available in Satin Titanium or Machine Black with custom finishes available upon special request

W166 | GLE-Class

RENNtech brake lines increase braking efficiency and remove the spongy feel under arduous conditions

Up to 402HP and 454LB-FT

RENNtech | High Pressure Fuel Pump Upgrade | M177 - 4.0L V8 BiTurbo mercedes-benz-sls-amg--197---2011-2014--esr6567267 93+ Octane gasoline is mandatoryHigh 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