For 2001-2004 Chevy GMC 6.6l LB7 Duramax RH & LH Fuel Injector Return Lines

● Engine: For 2001-2004 6.6L LB7 Duramax Diesel Engine. ● Complete Kit for Full Repair: This single kit includes all necessary lines to service both the Right-Hand (RH) and Left-Hand (LH) engine banks, covering all 8 fuel injectors.