BlackBoost Coolant Wide Open Thermostat for Mercedes-Benz GL550(X166) M278 4.7L V8 BiTurbo (2013 – 2015) R6 CNC 6061-T6 alloy buckles

CNC 6061-T6 alloy buckles

Finger tops and back hand incorporates poly mesh

Large rear stretch panel insert provides increased comfort and flexibility to the waist and lower back

1 x Arai helmet

BlackBoost Coolant Wide Open Thermostat for Mercedes-Benz GL550(X166) M278 4.7L V8 BiTurbo (2013 – 2015) R6 CNC 6061-T6 alloy bucklesBlackBoost Coolant Wide Open Thermostat for Mercedes Benz GL550(X166) M278 4. 7L V8 BiTurbo (2013 2015) 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 product