Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Illusion Cherry HSP Diesel for XX-80612 " 2020 Chevrolet Silverado 2500 HD

2020 Chevrolet Silverado 2500 HD WT Diesel Double Cab Pickup

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The Lower Gear Selector replaces the factory part and mounts perfectly with the existing shifter

2008-2013 Chevrolet Silverado 1500 LT Crew Cab Pickup

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Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Illusion Cherry HSP Diesel for XX-80612 " 2020 Chevrolet Silverado 2500 HDHSP Billet Thermostat Housing Kit W Coolant return for 2001 2005 Chevrolet GMC Duramax LB7 LLY. 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