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About Horsepower Big Bore 51mm Throttle Body

Horsepower Big Bore 51mm Throttle Body

  • Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque
  • Fully machined and ported internally for unparalleled flow
  • Feature a stainless steel shaft and spring
  • Equipped with a sealed double roller bearing for smooth throttle operation
  • Brass throttle blade and shaft resist deflection which helps maintain throttle position accuracy
  • Completely replaces OEM throttle body and manifold; fully compatible with OEM components
  • Made in the USA.
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