Designed to open at 180 degrees every time, regardless of engine rpm, and it's high-flow design and brass and copper construction eliminate the damaging effects of cycling when you're stuck in stop-and-go traffic. It includes the rubber gasket and has a pressure relief valve.
Features:
- Opens sooner than stock at 180 degrees
- High flow design for performance applications
- Includes rubber o-ring seal/gasket
- Incorporates pressure relief valve
This thermostat is compatible with most 2004-2008 LS based engines except for 2007-up new chassis CK trucks and SUVs which had a new design water pump that uses a slightly taller thermostat. You can identify the new style thermostat by gasket diameter of 2.34 inch, the earlier style is 2.28 inch.
Installation Notes:
This thermostat is compatible with most 2004-2008 LS based engines except for 2007-up new chassis CK trucks and SUVs which had a new design water pump that uses a slightly taller thermostat. You can identify the new style thermostat by gasket diameter of 2.34 inch, the earlier style is 2.28 inch.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Submodel |
Years |
Engine |
Fitment Notes |
| Chevrolet |
Impala |
SS |
2006 |
5.3L / 325 / V8 |
Only fits 1997-2003 with Mr. Gasket Water Neck |
| Chevrolet |
Impala |
SS |
2007 |
5.3L / 325 / V8 |
Only fits 1997-2003 with Mr. Gasket Water Neck |
