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06-07 LBZ Duramax was GM's third iteration of a common rail Diesel engine. It was a major upgrade from the LLY in horsepower figures with a 50hp bump to 360hp and massive jump to 650 Lb/Ft of. The added power comes with a plethora of changes like lower compression for more boost, higher fuel pressure, better turbo, larger EGR and a new ECM. Deviant has built several parts to compliment the LBZ platform of GM Trucks, including the first billet resonator plug, transmission repair lines, crank pully pin kit, single hole billet fuel sumps, replacement power steering lines and other add on accessories.
