GM Genuine Parts Engine Valve Lifter Guides are designed, engineered, and tested to rigorous standards, and are backed by General Motors. A roller-type valve lifter is mounted in an internal combustion engine to reciprocate a push rod in response to rotation of an engine driven cam shaft. A guide is installed to prevent the lifter from moving and rotating. This helps keep the valve train components aligned and functioning properly. 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).

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• Keeps lifter secure to help prevent valve train damage
• Helps keep valve train components in line for proper function
• 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