Long Stainless Rail Fitting for LLY, LBZ, & LMM Driver side rail rear port. 1/8" ID for increased fuel flow. High Flow Rail Fitting (Long) for 04.5-10 Duramax Features: Stainless Rail Fitting Vehicle Fitments 2004.5-2010 GMC 6.6L DURAMAX 2004.5-2010 CHEVROLET 6.6L DURAMAX

Twin CP3 Pump Kit for the 2004.5-2005 LLY Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY allows you to mount a second high pressure CP3 pump (available separately) in the AC compressore mount location to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...