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Home | 05-10 Mustang | Engine | Cooling | Reische FORD-4D 170 Performance Thermostat

Reische FORD-4D 170 Performance Thermostat

Item Number:FORD-4D
Market Price:$71.82Our Price:$63.00
Quantity:This item is currently out of stock!
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  • Description
  • Reviews


  • 2005-2006 Mustang GT
  • 1996-2004 Cobra & Mach 1

Reische FORD-4D 170
Performance Thermostat

These Reische 170 thermostats are custom made with the same size diaphragm and bypass control as the OEM units.  Proper bypass control means maximum efficiency from your cooling system.  Each of these thermostats is modified by hand using only U.S. made parts and then quality inspected to ensure consistent opening temps.

Beware of aftermarket companies who sell the same thermostat for all Ford modular engines.  Reische Performance thermostats are the only ones designed to precisely fit each application, making them the best performing low temp units on the market!  Whether you are using an aftermarket radiator or not, this thermostat will provide the best possible heat dissipation from your setup along with a faster warm up time and better cold weather performance than a 160 unit or a thermostat with holes drilled in the diaphragm.  We believe the 170 opening temp is the ideal balance for high performance engines, providing high flow to your radiator by mid-180 temps while still providing good all season performance.  With proper fan settings your coolant temps in cool weather will be in the 170s and in hot weather the 180s, giving those running high levels of timing and/or boost added protection against engine-damaging detonation as well as maximum power output.

All Reische Performance thermostats ship with a new gasket and coolant ratio/additive recommendations.

For primarily 4.6L DOHC & V6 DOHC:
Fits 1996-2004 Cobra, Mach 1 and Mercury Marauder; 2005-2006 Mustang GT; plus other Ford 4.6L DOHC (32V) and 3.0/3.5L DOHC (24V) apps like the 2010-2014 Taurus SHO. Includes new O-ring gasket."

Ordered the cold air and tuner combo. Best tune I have had. Really woke up my 5.0

- C. Faulkner

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