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For 2011-2015 Duramax LML 6.6L - Pressure Testing Plates for Silverado Sierra

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This Cooler  Kit is designed for off road use. This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization.

Eliminates soot build up and clogged EGR Valves.

They are not running through EGR Cooler, thus the Coolant tempatures runs cooler.

It completely replaces EGR Valve & EGR Cooler, No other parts required for installation.

Professional installation required (No instruction included)

Any other use including recreational off-road use could be in violation of local, state and federal laws.

According to the Environmental Protection Agency Clean Air Act, this Product are illegal for use on any Federal, State, or Local public highways and illegal use is punishable by the penalties enacted by the mentioned laws. Not for vehicles registered for use on the highway or street.


100% Brand New Items, Never Used Or Installed

EGR pressure testing plate, used to help find leaks in EGR coolers, valves, and cooling systems by allowing you to isolate pressure testing zones when performing pressure tests.

Warning: This product is for temporary pressure testing only by a certified mechanic. It is a violation of federal law to use this product in a manner inconsistent with its labeling.

Professional installation in highly recommended (No instruction included)


Package Includes

As the picture shown



2011-2015 Chevy / GMC 2500 & 3500 6.6l LML Engines