![Alpha B852 .21 [5 port engine]](http://robbinsrc.com/cdn/shop/files/img1_92009e13-8a94-4961-b9ae-2b9b1e3ce41e_{width}x.jpg?v=1705814923)
![Alpha B852 .21 [5 port engine]](http://robbinsrc.com/cdn/shop/files/img2_6516a255-ac4a-4814-8f8a-68d91e797549_{width}x.jpg?v=1705814923)
![Alpha B852 .21 [5 port engine]](http://robbinsrc.com/cdn/shop/files/img1_92009e13-8a94-4961-b9ae-2b9b1e3ce41e_grande.jpg?v=1705814923)
| Displacement: 3.45cc |
| Bore:16.26mm |
| Stroke:16.8mm |
| Practical R.P.M.: 3000~40000 R.P.M. |
| Weight: 350g |
| Ports: 5+2ports |
| Sleeve: ABC |
| Crankshaft Diam.: 14mm diameter |
| Glow Plug Type: Turbo |
| Exhaust: Rear |
| Carburetor Diam.: 8mm(Variable) |
| Case Material: Aluminum |
![Alpha B852 .21 [5 port engine]](http://robbinsrc.com/cdn/shop/files/img2_6516a255-ac4a-4814-8f8a-68d91e797549_grande.jpg?v=1705814923)
| Displacement: 3.45cc |
| Bore:16.26mm |
| Stroke:16.8mm |
| Practical R.P.M.: 3000~40000 R.P.M. |
| Weight: 350g |
| Ports: 5+2ports |
| Sleeve: ABC |
| Crankshaft Diam.: 14mm diameter |
| Glow Plug Type: Turbo |
| Exhaust: Rear |
| Carburetor Diam.: 8mm(Variable) |
| Case Material: Aluminum |
| Item | Price | Qty | Total | |
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| Subtotal |
$0.00 |
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