Alpha Plus Dragon V, 3 port .21 Nitro Engine

Alpha Plus  Dragon 5, 3 port .21 Nitro Engine

Features:

Lightweight fully machined piston for quicker revs and higher strength

Optimized 3 port sleeve for improved scavenging and exhaust efficiency

New backplate design for optimized fuel transfer from the crank to the sleeve

Crankshaft timing has been adjusted to match the backplate and sleeve efficiency

All new 8mm bore carburetor for a more linear power delivery and ease of tuning