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About Horsepower Big Bore 55mm Throttle Body
Horsepower Big Bore 55mm 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.
Warning: California Proposition 65