Industrial Injection 04.5-06 Chevrolet LLY Duramax Performance Short Block ( No Heads ) Engine Components~Rocker Arms Each critical component is re-surfaced

Each critical component is re-surfaced or replaced

Special aluminum brazing techniques are used during construction to increase strength

X-TRA Cool Radiators feature a proprietary rubber gasket designed to withstand expansion

Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization

Additional 8 quarts of fluid

Industrial Injection 04.5-06 Chevrolet LLY Duramax Performance Short Block ( No Heads ) Engine Components~Rocker Arms Each critical component is re-surfacedIndustrial Injection 04. 5 06 Chevrolet LLY Duramax Performance Short Block ( No Heads ) Fitment: 2004 Chevrolet Silverado 2500 HD Base 2004 Chevrolet Silverado 2500 HD LS 2004 Chevrolet Silverado 2500 HD LT 2004 Chevrolet Silverado 2500 HD WT 2004 Chevrolet Silverado 3500 Base 2004 Chevrolet Silverado 3500 LS 2004 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 WT 2004 GMC Sierra 2500 HD Base 2004 GMC Sierra 2500 HD SLE 2004 GMC Sierra 2500