Turbo Upgrades | 2001-2004 Chevy/GMC Duramax LB7 6.6L - Cartridge & SuperCore Assemblies | 2001-2004 CHEVY/GMC DURAMAX LB7 6.6L  - BorgWarner - BorgWarner 8374 w/ Iron Bearing Housing | BW12747100007 | Universal Fitment