Billet Thermostat Housing Kit W/Coolant Return for 06-10 Chevrolet/GMC Duramax LBZ/LMM Raw HSP Diesel DODGE/Jeep Wrangler (JL)/Gladiator (JT) Includes all necessary hardware for

Includes all necessary hardware for a quick installation

in no-time flat

You should be running the forward-facing thermostat housing kit

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Billet Thermostat Housing Kit W/Coolant Return for 06-10 Chevrolet/GMC Duramax LBZ/LMM Raw HSP Diesel DODGE/Jeep Wrangler (JL)/Gladiator (JT) Includes all necessary hardware forHSP Billet Thermostat Housing Kit W Coolant return for 2006 2010 Chevrolet GMC Duramax LBZ LMM. You should be running the forward facing thermostat housing kit, with coolant return if you have a stock turbocharger in the valley. This coolant return has a provision to allow coolant to return from the turbocharger Many of the Chevy Duramax coolant lines are routed in a way that makes it difficult to upgrade turbochargers or other performance