O.S Engines 11950 O.S. SPEED 19XZ-B with 21J2 carb. on-road 1/10 car

This is the Speed Tuned 19XZ-B ABC 1/8 scale Buggy Engine from O.S. Engines.    

FEATURES: DLC coated crankshaft with silicone filled intake passage for
            improved fuel flow
          ABC piston and liner construction "A"luminum piston fitted to a
            "B"rass cylinder liner that is "C"hrome plated
          21J2(B) slide valve carburetor with 6mm carb reducer that restricts
            airflow helping to increase the amount of torque produced
          Black anodized crankcase
          Ceramic rear ball bearing

INCLUDES: 19XZ-B ABC Buggy Engine with Slide Valve Carb, P3 Turbo Glow Plug,
            Exhaust Seal Ring, two Dust Caps, Instruction Manual and 6mm Carb
            Reducer

SPECS:    Displacement: .19 cu in (3.1cc)
          Output: 2.3hp/34,000RPM
          Practical RPM Range: 4,000 - 40,000
          Bore: 0.62" (15.8mm)
          Stroke: 0.62" (15.8mm)
          Weight: 12.10oz (343g)
          Distance Between Mounting Holes Same Side: 0.83" (21mm)
          Distance Between Mounting Holes Opposite Side: 1.45" (37mm)
          Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.4" (86.2mm)
          Width of Mounting Tabs: 1.8" (45mm)
          Distance from Backplate to Front Bearing: 2.5" (64.5mm)
          Distance from Center of Crankshaft to Front Bearing: 1.7" (44mm)
          Distance from Center of Crankshaft to Backplate: 0.81" (20.5mm)