GM Genuine Parts Automatic Transmission Low Blow Off Valve Springs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These springs help to control the fluid flow through the blow off valve. It is a part of a ball and spring assembly, where the ball is fitted into an opening and is held in place by the pressure of the spring. When the pressure changes, the ball and spring move, thusly opening or closing the valve. All of this helps maintain your vehicle's recommended fluid and pressure equalization. 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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• Helps provide a smooth shifting experience
• Helps provides pressure equalization
• Helps prevent against high operating pressures
• 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