Features

  • Performance that rivals that of the acclaimed Speed 21XZ-B Spec II
  • Shares the same piston, liner and con rod as the Speed version
  • Lightening holes in the cylinder head reduce overall weight
  • Other enhancements include a lower CG and improved cooling
  • A 22B2 single needle carb makes tuning a breeze
  • Optimized power band
  • Silicone filled crankshaft with tungsten counter weights
  • Blue anodized head
  • Incredible throttle response
  • 7mm carb reducer is included

The perfect balance between price and performance.

As competition-level buggy engines go, the 21XZ-B VII is a super value! By making it lighter, lower and cooling running, it exceeds the expectations of even pro racers — delivering power comparable to the Speed Spec II at a lower price. 1/8 scale drivers looking for a performance advantage will find it with the 21XZ-B VII powerhouse!

Specs

Displacement .213 cu in (3.49 cc)
Bore .641 in (16.27 mm)
Stroke .661 in (16.8 mm)
Practical RPM 3,000-41,500
Power Output 2.7 hp @ 34,000 rpm
Weight12.77 oz (362 g)
Includes 2282 carburetor, 6 mm and 7 mm carb restrictors, P3 glow plug, exhaust seal and dust cap set
Requires Glow fuel, muffler, tuned pipe and manifold
SKU OSM12183
Barcode # 4531028024274
Brand OS Engines
Shipping Weight 0.6000kg
Shipping Width 0.140m
Shipping Height 0.110m
Shipping Length 0.160m
Shipping Cubic 0.002464000m3

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