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FAST 54103 - FAST Big Mouth Throttle Bodies

FAST 54103 - FAST Big Mouth Throttle Bodies

FAST#244-54103

Big Mouth Throttle Body
  • With TPS Sensor
  • 102mm
  • Fits LSX & LSXR Intake Manifolds

    FAST 54103 - FAST Big Mouth Throttle Bodies

    When it comes to improving performance, increased airflow is a key ingredient. The FAST Big Mouth Throttle Body increases airflow through a series of innovative design changes and slightly enlarged throttle opening. Significant testing and engineering was conducted to optimize cross-sectional flow and eliminate airflow turbulence, especially at part-throttle operation.

    The throttle blade's increased thickness eliminates deflection, especially in boosted applications. To improve throttle response, the blade pivot is offset, while the beefed up linkage and dual throttle spring mechanism ensure total throttle control.

    Features & Benefits
  • Designed to work with FAST LSX 92mm & LSXR 102mm Intake Manifolds
  • Better airflow than OEM or aftermarket 90mm units due to enlarged throttle opening & modified internal design
  • Dual spring mechanism & beefed up linkage for total throttle control
  • Increased thickness of both the throttle blade & the shaft resists deflection, especially in boosted applications
  • Offset blade pivot allows for smoother operations & significantly improves throttle response

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