BlackBoost Coolant Wide Open Thermostat for Mercedes-Benz CLS63(S) AMG (C218/W218/X218) M157 5.5L V8 BiTurbo (2012 – 2018) Range Rover Sport Helmet shell sizes: 2

Helmet shell sizes: 2

and Bronco sport specific a-pillar brackets

easy to open and even easier to stuff away in their dedicated pockets on the inside

The gaskets are manufactured from premium grade materials only ensuring optimal sealing and durability while OEM specs precision-cut guarantees perfect fit

BlackBoost Coolant Wide Open Thermostat for Mercedes-Benz CLS63(S) AMG (C218/W218/X218) M157 5.5L V8 BiTurbo (2012 – 2018) Range Rover Sport Helmet shell sizes: 2BlackBoost Coolant Wide Open Thermostat for Mercedes Benz CLS63(S) AMG (C218 W218 X218) M157 5. 5L V8 BiTurbo (2012 2018) 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