Bypass Restrictor Fitting (BRF)

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Product Price: USD 75.00

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A lot of 6.5 diesel truck, Suburbans and Hummer H1’s have cooling issues and the factory has made many upgrades over the years.  We are just taking it one step farther.  To help engine coolant temp the factory replaced the single thermostat housing with a dual thermostat housing to increase the flow to the radiator.  The problem with the dual Tstat set up is there is no bypass blocker built into it like most single Tstat set ups. This allows hot coolant to return to the engine and not through the radiator. The BRF will make a larger percentage of the coolant actually travel through the radiator and therfore help reduce engine coolant temps.

BRF or Bypass Restrictor Fitting, it replaces the factory water pump bypass fitting.  The BRF is made of 100% stainless steel and machined in Texas.

See video below.

You get one fitting.  

brf

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