Skunk2 Pro-Series Honda Throttle Body (K Series)

Skunk2 Pro-Series Throttle Body - Honda K-Series (RSX Type-S / Civic Si)

Open up the airflow on your K-series with the Skunk2 Pro-Series throttle body, built for the 2002-2006 Acura RSX Type-S and 2002-2005 Honda Civic Si. It's the step up for a modified K20 that's outgrown its factory throttle body, feeding the higher airflow demand for power gains across the powerband. It's CNC-machined from billet 6061-T6 aluminum for PRB/PRC manifold fitments, with a machined brass throttle plate for smooth, responsive operation on both naturally aspirated and forced-induction setups.

Pick Your Bore And Finish

The Pro-Series is offered in two bore sizes and two finishes, so you can match it to your build:

• 70mm - the step up from stock for strong bolt-on and built NA gains
• 74mm - the larger bore for high-airflow and forced-induction builds

Available in Silver or Black hard-anodized finish. Go bigger only if your engine is actually moving the air to use it, since on a milder build the 70mm is plenty.

Built Right

The body is CNC-machined from billet 6061-T6 aluminum for durability, with a hard-anodized finish for corrosion resistance and a long service life. The machined brass throttle plate rides on sealed ball bearings for smooth throttle action under aggressive driving, and it retains the IACV circuit so you keep reliable idle control. It's compatible with the OEM throttle cable, so it bolts into a cable setup without extra parts.

Key Features

• CNC-machined billet 6061-T6 aluminum construction
• Available in 70mm or 74mm bore
• Machined brass throttle plate
• Sealed ball bearings for smooth operation
• Retains the IACV circuit for reliable idle control
• Compatible with the OEM throttle cable
• Hard-anodized finish in Silver or Black
• Throttle body gasket and hardware included

Fitment

Fits the 2002-2006 Acura RSX Type-S and 2002-2005 Honda Civic Si (PRB/PRC manifold applications). Confirm your manifold flange and select your bore size and finish before ordering.

If your K20 has outgrown its factory throttle body, the Skunk2 Pro-Series is the airflow upgrade to make: billet construction, smooth bearing-supported operation, retained idle control, and your choice of 70mm or 74mm bore in Silver or Black. Match it to your manifold and pick the bore your build can actually use.