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NO-DRILL INSTALLATION
Run the engine at 1200-1500 RPM for 5 minutes
Banks hot and cold side tubes have 40 percent greater flow area than stock tubes
Double the surface area internally to better radiate heat away from the oil
This metal turbo intake horn increases airflow for better performance and can help with improved fuel economy
Dayco Poly Rib HD Serpentine Belt Single Alternator 15-21 GM 6.6L Duramax LML/L5P BAN-49779 NO-DRILL INSTALLATIONKeep your 2015 2021 GM 6. 6L Duramax with single alternator running strong with the Dayco Poly Rib HD Serpentine Belt. Built with a rugged EPDM rubber compound reinforced with aramid fibers, this belt delivers excellent durability, heat resistance, and long life. The poly rib design ensures a secure grip and smooth performance across all your engines accessories while minimizing noise. Designed to maintain proper tension and resist wear, it's a
