OS Speed R21GT engine Competition
  • OS Speed R21GT engine Competition
  • OS Speed R21GT engine Competition
  • OS Speed R21GT engine Competition
  • OS Speed R21GT engine Competition
  • OS Speed R21GT engine Competition
  • OS Speed R21GT engine Competition

OS Speed R21GT engine Competition

O.S. Speed R21GT engine for the 1/8th GT on-road classes. Designed with the forthcoming 1/8th GT IFMAR World Championship in mind, the engine builds on the proven R2101 crankcase which was refined as was the 5+3 ports liner and piston to meet current IFMAR rules.

Tech specifications:
Displacement: 3.49 cc
- Bore: 16.08mm
- Stroke: 17.20mm
- Intake ports: 5-port
- Exhaust port: 3-port

€429.90
€409.90 Save €20.00

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€74.32 / mes en 6 cuotas
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The engine is rounded out by the newly designed 22E (B) GT carburettor and it comes with a 7mm venturi insert, again to meet IFMAR requirements.  The newly designed crankcase features a DLC coating for wear while the updated cooling head design ensures optimised heat dissipation under the large GT body shells. 

OS1CC00

Specific References