Alpha Dragon III - 3 port .21 size engine (Pre Broken-In)

Manufacturer: Alpha Plus



Alpha Dragon III - 3 port .21 size engine (Pre Broken-In)

Introducing the newest offering from Alpha Plus “Dragon III Pre-Broken In Engine”, which will be coming nearly ready to race out of the box. One of the most daunting tasks of nitro racing is breaking in a new engine. The new Alpha Plus Dragon III engine solves that struggle, by providing a pre-broke in engine. The Dragon III will only require 2 tanks of fuel, run easily in your car for the final break-in process. At that point you are ready to hit the track and go racing!

Displacement: 3.49cc 
Bore: 16.26mm 
Stroke: 16.8mm 
Practical RPM: 4,000 - 40,300rpm 
Power Output: 2.80PS/38,800rpm 
Weight: approx. 361g 
Ports: 3 Ports 
Sleeve: ABC 
Crankshaft: Anti-Friction crank with Silicone filled
Crankshaft Diameter: 14mm 
Glow Plug Type: Turbo 
Exhaust: Rear 
Diameter: 8.8mm (Variable)



Contact Us

X-Factory UK
418 St Albans Road
WD24 6PJ

Telephone: 01923 816636

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Office Hours

Mon to Wed : 10am - 5.30pm
Thursday : 10am - 7pm
Friday : 10am - 5.30pm
Sat & Sun : CLOSED 

Public Bank Holidays : CLOSED

Please note we do not supply direct to the public. Our full range of products are available via any of our UK dealers whom can be found in our dealer locator at the top of the website.