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Billet Dual Pattern Throttle Body - Honda K-Series


WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

BLOX Racing K-series dual-pattern throttle bodies fit both PRB/PRC and RBC/RRC intake manifolds with the aide of a throttle body adapter plate.

Each is CNC machined from billet aluminum and includes a new throttle bracket. Precision machined butterfly plates proper and consistent opening and closing. New throttle springs provide crisp response each time the engine is revved. Units are anodized to resist corrosion and are available in black and silver finishes.

The IACV can be used or blocked off for full race applications with the supplied port plug. Throttle bodies include hardware and new gasket. All factory sensors can be reused without any modifications.

Available in 70mm and 72mm bore sizes. The larger throttle bodies offer increases in airflow resulting in additional horsepower and torque gains. 

Throttle bodies include gasket and mounting hardware.

K-series TPS sold separately (PN BXIM-10401 or BXIM-10401-V2). 


  • Dual-pattern to fit PRB/PRC and RBC/RRC manifolds
  • Provisions for TPS and IACV
  • Throttle bracket included
  • Includes hardware, fitting, port plug and gasket

Fitment Details

  • PRB manifold: 02-06 RSX
  • PRC manifold: JDM K20A Type-R
  • RBC manifold: 06-11 Honda Civic Si 
  • RRC manifold: JDM K20A Civic Type-R

Additional Notes

  • RBC adapter no longer necessary with this unit
  • Not compatible with 2017+ Civic Type-R