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  • 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

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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. 

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$549.99
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OS Engines R21GT II Nitro On Road Engine

SKU: OSM1DT00
$549.99
Loading...
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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. 

In stock

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