Chung Yang CY29RC engine (35mm bore, 30mm stroke - 28.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.5 horsepower.

If displacement is what you crave, look no further. This custom DDM big-bore combo kit will allow you to convert your current engine into a 30.5cc performance monster. Includes .040" copper gasket.

Integy optional fan cover for use on the HPI Baja 5B and 5T Vehicles.

Integy optional fan cover for use on the HPI Baja 5B and 5T Vehicles.

ADA billet aluminum boost box. Improves throttle response, acceleration, and overall performance.

Golden Horizons optional alloy engine cover for the HPI Baja 5B.

Integy optional alloy engine cover for the HPI Baja 5B.

Integy optional alloy engine cover for the HPI Baja 5B.

Integy optional alloy engine cover for the HPI Baja 5B.

Z-RC billet intake manifold is CNC machined from billet aluminum. Two teflon gaskets ensure superior sealing.

Integy optional aluminum spark plug cover for the Baja 5B series.

Integy optional aluminum Spark Plug Cover for the Baja 5B series.

Integy optional Spark Plug Cover for the Baja 5B series.

Golden Horizons optional silver pull start handle for the HPI Baja 5B and HPI Baja 5B SS Vehicles.

Chrome plated pull start assembly with DDM Racing chrome sticker.

Integy optional Engine Pullstart Handle for the HPI Baja 5B.