The No Limit Fabrication Drop-In VGT Turbocharger, 65mm Compressor / 66mm Turbine is built for the 2004-2010 Chevy/GMC Silverado 2500HD/Silverado 3500HD/Sierra 2500HD/Sierra 3500HD 6.6L Duramax LLY/LBZ/LMM. No Limit Fabrication designs and builds its parts in the USA for a direct, no-compromise fit.