Pair of Fuel Injector Return Line Kits for 2004.5-2010 Duramax 6.6L LLY LBZ LMM

Pair of Fuel Injector Return Line Kits for Duramax 6.6L 2004.5-2010 LLY LBZ LMM

Pair of Fuel Injector Return Line Kits for Duramax 6.6L LLY LBZ LMM 2004-2010

Diesel Fuel Injector Return Line Left + Right Set for Duramax 6.6L LLY LBZ LMM

Diesel Fuel Injector Return Lines Kit for Duramax 2004.5-2010 6.6L LLY LBZ LMM

Upgraded NEW Diesel Fuel Injector Return Line for Duramax LLY LBZ LMM 6.6L

Pair of Fuel Injector Return Line Kits for Duramax 6.6L LLY LBZ LMM 2004.5-2010

Fuel Injector Return Line Kit for 2004.5-2010 Chevy GMC 6.6l LLY LBZ LMM Duramax