Mr. Gasket Thermostat 180 Degree Chev LS Hi-Flow Each #6368

Fully compatible with 2004-'08 LS Series engines with a separate thermostat and water neck, they open at 180 degrees every time, regardless of engine rpm, and their high-flow design and brass and copper construction eliminate the damaging effects of cycling when you're stuck in stop-and-go traffic.

Also fits Mr Gasket water necks 2670, 2671, and 2672.

Features:

Fits GM LS Engines - 2004-'08 that Utilize Separate Thermostat and Water Neck

Opens sooner than stock at 180 degrees
High flow design for performance applications
Includes rubber o-ring seal/gasket
Incorporates pressure relief valve

Specifications :

Product Type: Thermostats, Mechanical

Product Line: Mr. Gasket LS Thermostats

Opening Temperature Rating: 180 degrees F

Thermostat Flow Rate: High-flow

Gaskets Included: No

Thermostat Material: Copper/Brass

Quantity: Sold Each

Notes: Fits GM LS series engines that utilize a separate thermostat and water neck housing.

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.