Chevy 6.6 Liter Performance Injectors


The 6.6 L Duramax, also known as the Duramax 6600, displaces 6.6 L and has been made available in several different versions. Between 2001 - present, 5 versions of the Duramax 6600 were available; the LB7, LLY, LBZ, LMM & LML. We have performance diesel upgrades for all versions of the popular Duramax engines available. See general information below on what we have availabe for the Chevy 6.6 Liter or select your specific model below for details and part numbers.

Performance Injectors for Chevy 6.6 Liter: 25, 50, 75, 100, 125, 150, 175hp Upgrades

Performance Common Rail Pumps for Chevy 6.6 Liter: 30% Flow Increse (where applicable)

*Performance Nozzles for Chevy 6.6 Liter: 25, 50, 75, 100, 125, 150, 175hp Upgrades

Want more detail? Select your Chevy 6.6 liter model.


Due to the popular demand, we have now released our in-house Extrude Honed Performance nozzles. For your safety and in order to gain the most from your investment, injector nozzles should be installed by a qualified professional in a facility designed for that type of work. We are happy to assist you with that installation right here at MFE or we can recommend a diesel fuel injection service center for your area. MFE will never ask you to use your truck as a test stand. Read More Here


MFE is your home for premier performance diesel upgrades. Whether it's fuel or air flow, we help you achieve Mass-Flo.