Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Silk Satin Black HSP Diesel GM C4500/5500 " thickness and material based on

thickness and material based on your specific transmission needs

1 of HE3xx Gasket

MBRP 3" CAT-BACK ALUMINUM SINGLE SIDE EXIT EXHAUST | 24-26 RANGER 2

the pan helps keep the transmission running cool

CNC Ported Cylinder Head: (Milled off intake runner to accept ZZ Fab intake) sold separately

Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Silk Satin Black HSP Diesel GM C4500/5500 " thickness and material based onHSP 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