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Get More Airflow and Better Response from Your GM LS with a FAST Big Mouth 102mm Electronic Throttle Body

The FAST Big Mouth 102mm Electronic Throttle Body for GM LS outperforms all other aftermarket, high-performance drive-by-wire throttle bodies. Its 102mm opening delivers a massive increase in airflow while maintaining stock idle characteristics. A high-performance, high-torque motor delivers quicker response than competitors’ offerings, and a dual return spring and a precision non-contact TPS increase reliability.

Additional features include:

  • Plug-and-play install for most applications
  • Robust throttle blade stands up to high boost pressures
  • Stylish satin black anodized finish
The FAST Big Mouth 102mm Electronic Throttle Body for GM LS works with OEM GM Gen IV ECUs including L76, L77, L99, LS3, or LS7 plus Edelbrock Pro-Flo 4+ and other aftermarket ECUs that use stock DBW control strategies.

SEE THE FAST BIG MOUTH 102MM ELECTRONIC THROTTLE BODY FOR GM LS AT SUMMIT RACING