Works with the following vehicles;
HPI 1/10 Nitro RS4 3 Evo+
HPI 1/10 Firestorm 10T
Duratrax 1/10 GTR Nitro
Duratrax 1/10 Camaro ZL1
Associated 1/10 SC10GT

Also works with many other older nitro off-road buggies and stadium
trucks that use a .12-.18 size engine with a rotary carb, and
standard shaft. Some modifications may be required depending on
set-up.
Ten cooling fins on cylinder head, black in color
Rotary carburetor