Clevite H-Series Main Bearing - Standard - GM Duramax 20-OTL-NG-M 6 AN Male to 5/16

6 AN Male to 5/16 in Hose Barb

Blue Stripe Cork/Lam Steel Core Valve Cover Gaskets resist being blown out or drawn in under race conditions

and aesthetically pleasing aluminum hood catches are proportional to the vehicle and offer a direct fit

Superior port finish for increased flow

Clevite H-Series Main Bearing - Standard - GM Duramax 20-OTL-NG-M 6 AN Male to 5/16Clevite H Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range. Vehicle Applications: 2003 2007 Chevrolet C5500 Kodiak 2006 2006 Hummer H1 2006 2013 GMC Savana 3500 2007 2013 Chevrolet Silverado 3500