Exergy Performance Seal Kit (O-Ring & Copper Gasket) Set of 8 2001 to 2004 6.6L LB7 Duramax

Shop with Blessed Performance for the Exergy Performance Seal Kit (O-Ring & Copper Gasket) for your 2001-2004 GM 6.6L LB7 Duramax diesel. Replacing the injector seals is cheap insurance that you won't have an issue when you get the truck back together. Removing and reassembling LB7 injectors takes a long time, it's best not to risk doing it twice.