2001-2004 Duramax LB7 BD-Built Stock Fuel Injector 2001 - 2004 GM Engine Components We took the pair on

We took the pair on a 900-mile loop through city traffic

This turbocharger features HFV technology

4L Power Stroke on the road for the long haul

Stealth turbos featuring our HFV upgrade are capable of producing more power

This injector line is a direct replacement and will fit either cylinder hole #3 or #6

2001-2004 Duramax LB7 BD-Built Stock Fuel Injector 2001 - 2004 GM Engine Components We took the pair on2001 2004 Duramax LB7 BD Built Stock Fuel Injector BD Built Performance injectors are assembled using OE procedures and fully calibrated and tested to ensure perfect operation. Performance injectors increase fuel quantity between 33% 43%, which equates to approximately 60hp 90hp.