RCM Low Temperature Thermostat (Subaru)

The Roger Clark Motorsport  thermostat is designed not only to improve reliability (thanks to its superior construction and RCM's strict quality control inspection process) but also to provide an earlier start in your engine's cooling process.

Features
  • Allows coolant to flow through your engine at a much earlier time than would usually be expected.
  • Reduces coolant and engine temperatures earlier.
  • Great addition to any performance radiator.
  • Improved part reliability when compared to other manufacturers.
 Technical Specification
  • RCM Thermostat opening starts at 70°C (158°F) and is fully open at 90°C.
  • OEM Opening starts at 90°C (194°F) and is fully open at 95°C.
 
 
SKU
RCM1708
$66.25

 

Founded in the early 1991 by multiple RAC winner and British Rally Champion Roger Clark MBE, Roger Clark Motorsport is one of the UK's (and for that matter, global rally's) premier motorsport and product development specialists and tuners. Roger Clark Motorsport specialize in the Impreza platform (the car-of-choice for their unparalleled Time Attack Cars Gobstopper I, Gobstopper II and soon Gobstopper III), and have passed on these high-performance components to the consumer market. We are incredibly proud to be one of the only U.S. distributors able to offer these exceptional Roger Clark Motorsports parts.

The Roger Clark Motorsports  thermostat is designed not only to improve reliability (thanks to its superior construction and RCM's strict quality control inspection process) but also to provide an earlier start in your engine's cooling process.
 
With a low temp thermostat in place your engine coolant is allowed to circulate around the engine much earlier which allows overall engine temperatures to be reduced sooner than they would normally occur. Ultimately your coolants job is to carry heat out of the engine, take it through your radiator (where the actual temperature reduction will occur) and then flow back into the engine at a reduced temperature to when it left. This entire process is activated by a door opening and closing (your thermostat), so if this "door" is opened earlier than would normally be expected then the coolant can get a head start on taking heat out of the engine.
 
With coolant flowing through your engine at an earlier stage (thanks to a low temp thermostat) the next area to make significant temperature drops would be a performance radiator. A larger radiator not only increases how much coolant can be present within it at any one time, but with a larger surface area and an improved fin design this can allow a higher volume of air to pass through, this in turn lowers temperatures on your coolant fluid faster, more efficiently and in greater volume.
 
Low temperature thermostats are most suited for vehicles driven "spiritedly" on either road or track where engine temperatures are likely to raise at a much faster rate than if the engine was being driven under normal road use.
 
 
Features
  • Allows coolant to flow through your engine at a much earlier time than would usually be expected.
  • Reduces coolant and engine temperatures earlier.
  • Great addition to any performance radiator.
  • Improved part reliability when compared to other manufacturers.
 
 
Technical Specification
  • RCM Thermostat opening starts at 70°C (158°F) and is fully open at 90°C.
  • OEM Opening starts at 90°C (194°F) and is fully open at 95°C.
 

Fitment
  • EJ20
  • EJ22
  • EJ25

warning_symbolWARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.

More Information
SKU RCM1708
Product Type Engine
Engine Cooling Systems
Brand Roger Clark
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