Honda Stepwgn Supercharger Kits

Each Honda Stepwgn supercharger system includes all necessary components to ensure safe, reliable operation. Our distributors have developed kits for the following models:

Model HP ​
Honda Stepwgn (K20A) 155 > 225
Honda Stepwgn (RG1) 155 > 225

Rotrex centrifugal supercharger kit for your Honda vehicles.

Torque UP / 70ps UP in the whole area! -Compatible with vehicle inspection.
Easy installation by complete bolt-on

  • No need for troublesome installation of exhaust manifolds, intake manifolds, etc.
  • Fuel adjustment uses the attached injector-P-con A (data installed)
  • Excellent in all areas from idle to high speed Quiet performance, compressor shape, turbo type that is most suitable for supercharging air
  • Smooth power up to high rotation / flat torque, aluminum piping, silicon hose for dress-up, weight reduction, maintenance
  • Oil change / filter change only (oil change time: 2 years or 20,000 km)

This product is a KIT exclusively for RG1 / RG2 / RG3 / RG4 & RK1, RK2.
– Please contact us for RK system. The contents of the kit may differ depending on the vehicle model, so please check the vehicle model before ordering.

Processing at the time of installation; Subcontractor wiring processing is required.
Be sure to use high-octane gasoline.
Please raise the heat value of the plug to No. 7.
Use the engine oil for turbo (10W40 / 15W50).

The Honda Stepwgn kits are offered by this kit builder:
Please contact them directly by interest. (Click logo to visit)

(local customers from Japan only)



The kit includes:

  • Rotrex supercharger unit
  • Bracket
  • S/C Pulley
  • P/S pulley
  • Tensioner pulley
  • P/S/W pulley
  • P-con A (subcontractor)
  • Injector Oil filter
  • Oil reserve tank
  • Silicon hose
  • Traction oil
  • Oil hoses
  • Pipes
  • Oil cooler

Others: Bolts, nuts, V-belts, collars, clips, nipples, adapters, various stays, various brackets, hose bands, etc.