This is the alpha "club racer" 5-port. 21 off-road nitro engine. The. 21-club racer is a perfect engine for the weekend warrior or someone who just likes to head to the track and have a great time. It features awesome power, with a linear feel, providing a reliable and controllable engine. Ideal for bashing, smaller tracks, or drivers new to nitro

Specifications:

Displacement: 3. 45cc

Bore: 16. 26mm

Stroke: 16. 8mm

Practical r. P. M. : 3000~39800rpm

Power output: 2. 48ps/39800rpm

Weight: ~350g

Ports: 5 ports

Sleeve: abc

Crankshaft diameter: 14mm diameter

Glow plug type: turbo

Exhaust: rear

Carburetor diameter: 8mm (variable)

Case material: aluminum

Includes:

(1) t3 turbo glow plug

(1) 0. 20 head shim

(1) 6. 5mm carb venturi

(1) 7. 0mm carb venturi

(1) 8. 0mm carb venturi