DEI Heat Shroud - 20 AN Hose - 3 ft Long - Silver Books They fit most popular LS

They fit most popular LS series engines and come in Black Krinkle

The supplied CNC machined double adjuster features left and right hand threads for quick and easy on-car adjustments by simply loosening (2) jam nuts and does not require removal of panhard bar from the vehicle

For Big Block Chevy applications

Following the primary spark

CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core

DEI Heat Shroud - 20 AN Hose - 3 ft Long - Silver Books They fit most popular LSProduct Description: Hose and Wire Sleeve Heat Shroud 20 AN Hose 3 ft Long Aluminized Fiberglass Fabric Silver Since 1995, DEI has been a pioneer in the automotive performance industry. Wrapping the exhaust system or headers on a vehicle with DEI's exhaust wrap will reduce under hood temperatures up to 70% while improving performance and protecting components from extreme power robbing heat. DEI exhaust wrap is manufactured with a hi temp fiberglass