GM Genuine Parts Engine Long Blocks are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Long blocks are engine sub assemblies that include all cylinder components: crank shaft, cylinder head, and camshaft (usually) and valve train.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Product contains Perfluorooctanoic acid (PFOA): Not for import into European Union (EU)

• Long block is an almost complete engine
• Includes crank shaft, heads, camshaft and valve train
• Includes many pre matched components from manufacturer already installed
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies