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

Specifications:
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
Weight: 12.77 oz (362 g)
Includes: 2282 carburetor, 6mm and 7mm carb restrictors, P3 glow plug, exhaust seal and dust cap set