O.S SPEED 21VZ-B V-SPEC AL NEW 21J CARB.

This is the O.S. Max Speed 21 VZ-B V-Spec Off-Road 1/8 scale
                 Racing Engine with Aluminum Heat Sink Head.
               
Practical RPM Range: 3,000-40,000
          Output: 2.5 hp @ 34,000 rpm
          Bore:               0.654in
          Stroke:             0.630in
          Weight w/o Muffler: 12 oz (345.5g)