OS Engines R21GT II Nitro On Road Engine
SKU: OSM1DT00
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The high-performance GT engine has evolved into the next generation! This OS Engines R21GT II On-Road Nitro Engine features a newly developed underhead, cooling-head, and crankshaft, specially made to fit on-road GT tracks.
- Inner Head Improves Idling Performance
- Outer Head Has Been Made Lighter
- Crankshaft Uses Two Tungsten Counterweights
- 5 Scavenging Ports And 3 Exhaust Ports
- Equipped With A Double-Adjust Type 22E(B) GT Carburetor
