🏁 Take it to the next level with the combo O.S. SPEED R21 GT II, which comes with a high-performance exhaust system performance to fully unleash the engine’s potential. Designed for 1/8 GT racing, this combo offers optimized power, even more responsive engine performance, and maximum efficiency at On-road.
- Type: Nitro GT competition engine + exhaust
- Displacement: 3.49 cc
- Power: 2.65 ps / 2.61 hp
- Max RPM: 42,000 rpm
- Carburetor: 22E(B) GT dual-adjustment
- Venturi: 7.0 mm (AL2 red)
- Configuration:
- 5 transfer ports
- 3 exhausts (IFMAR)
- 1x O.S. SPEED R21 GT II engine
- 1x TB01 muffler (EFRA2042)
- 1x MB01-70 Manifold
- 1x RP7 Spark Plug
- Original accessories
- Fuel nitro
- Air filter
- Riders looking for a combo engine + exhaust ready to race
- Users seeking maximum performance
- Demanding 1/8 GT racers
- Compatible with 1/8 GT Nitro competition
- EFRA / IFMAR approved


