BlackBoost Coolant Wide Open Thermostat for Mercedes-Benz S63(S) AMG (W222/A217/C217) M157 5.5L V8 BiTurbo (2014-2017) Suzuki DR-Z400 Increases in power and torque

Increases in power and torque result in a much smoother power delivery and ride

LOCKED IN THE CLOSED POSITION BY A FRONT METAL LOCK

(Lighting Zones 1 & 2)

Nucleon Flex Pro Knee Level 2 armor and Bio-Flex Hip armor for effective impact protection

BlackBoost Coolant Wide Open Thermostat for Mercedes-Benz S63(S) AMG (W222/A217/C217) M157 5.5L V8 BiTurbo (2014-2017) Suzuki DR-Z400 Increases in power and torqueBlackBoost Coolant Wide Open Thermostat for Mercedes Benz S63(S) AMG (W222 A217 C217) M157 5. 5L V8 BiTurbo (2014 2017) Racing Coolant Thermostat. With BlackBoost Racing Coolant Thermostat the coolant circulation with the radiator is always at 100% open. The factory coolant thermostat opens at 100C 212F. Only for racing application, not recommended be used under very cold weather conditions. Note : Prior to check out, please click here to confirm