4BT 8v 3.9L Cummins Lower Gasket Set 2007.5 GMC 6.6L Duramax LMM This ATLAS exhaust system is

This ATLAS exhaust system is constructed of 5" mandrel-bent aluminized steel tubing for maximum flow

or a cut out flare

Integrated Boost Safe Feature - The controllers for AEM's Water Methanol systems include an integrated Boost Safe output feature that monitors the entire injection system and triggers a ground signal via an output if it detects a voltage-related error (short

New high pressure fuel lines are included to ensure zero contamination issues and a long life out of your new injectors

4BT 8v 3.9L Cummins Lower Gasket Set 2007.5 GMC 6.6L Duramax LMM This ATLAS exhaust system isBrand New Lower gasket set for the 89 93 4bt Cummins diesel engine. This kit comes with all gaskets and seals required for the removal and install all of the components below the head on your 4bt 3. 9L Cummins engine.