Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Flag Red HSP Diesel All " Auxiliary Front Shock Option FOX

Auxiliary Front Shock Option FOX 2

Measured Flow: 590 CFM @ 7" H20

Rough CountryΓÇÖs Nitrogen-charged V2 Monotube Shock Absorber leads the way

DAMPER/HUB Assembly- Works with LS7 Mid-Mount accessory drives only

In the rear this kit utilizes a high-strength fabricated lift block

Billet Thermostat Housing Kit W/Coolant Return for 01-05 Chevrolet/GMC Duramax LB7/LLY Flag Red HSP Diesel All " Auxiliary Front Shock Option FOXHSP 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