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Ideal for those wanting full-time V8 operation without extra performance modifications
DO NOT let the engine start without oil pressure
Prevent oil from contaminating your intake
with valve springs that control the valvetrain to 4500rpm and 80lbs of boost
OEM design with washers
2001-2004 Duramax LB7 Injection Line (AP63722) 2011 - 2016 GM Tools Ideal for those wanting full-time2001 2004 GM Injection Line AP63722 The LB7 Duramax's are notorious for injector failure due to a design flaw of the original injectors. Further, it was very common that when these injectors failed, failure would soon occur immediately after, and it was determined that it was due to corrosion build up in the injector lines that simply needed to be replaced ANYTIME the injectors are replaced. This injector line is a direct replacement and will fit