Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Illusion Purple HSP Diesel " ARP POWER this kit comes with Rough

this kit comes with Rough Country's Lifetime Replacement Guarantee

This harness is designed for LS1/6 Engines

consider inspecting and replacing the other key components including tie rods

1 CENTER BORE +2MM

AR930 18X8 5X100/105 GLOSS BLACK 40MM

Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Illusion Purple HSP Diesel " ARP POWER this kit comes with RoughHSP 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