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The MAX-21VZ-B V-Spec is a high performance 3.5cc class power unit for one-eight0scale radio-controlled 'off-road' or 'buggy' cars. It has been expressly designed for racing competitions.

The new 21C carburetor is supplied with 8mm and 9mm dia. reducers to manage different course conditions.

Standard accessories

  • Glow Plug P3 T-type head (Turbo head) 1 piece (Hot Type)
  • Cylinder-head gasket (0.1mm) 1sheet
  • Exhaust Seal Ring 1 piece
  • Carburetor Reducer 8mm (Red) 1 piece (w/"O"Ring)
  • Dust Cap 3, 16, 18 1 piece each

    Engine Data :

  • Displacement: .21 cu in (3.5cc)
  • Bore: 0.653 in (16.6mm)
  • Stroke: 0.629 in (16.0mm)
  • Practical RPM: 3000-40,000
  • Output: 2.5 bhp @ 33,000 rpm
  • Weight (w/o muffler): 12.7 oz (360g)
  • Includes: TP-3 glow plug, 8mm and 9mm carb restrictors, exhaust seal and dust cap set

    Achieving better performance equip with the (OS-22103010) & (OS-23755000).

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