.21 X3B Off Road 3 ports

X3B specs:Category: 1/8 Off Road

Displacement [cm3]: 3,5

Bore: [mm]: 15,94

Stroke [mm]: 17,5

Ports [N°]: 3

Exhaust 4 booster

Head button Turbo

Crankcase Evo vacuum high pressure injected

Carburetor triple adjustment

Crankshaft Balanced DLC coated

Front and rear ceramic bearings