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O.S. Speed B2103 Type R .21 (3.5cc) Competition Nitro Engine

Availability: Out of stock
Manufacturer part number: OS1BP00
Manufacturer: O.S. Engines
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$459.99
Products specifications
Displacement.21 (3.49cc)
RPM (Maximum)34,000
RPM (Practical)6,000 - 32,600
Bore x Stroke16.26mm x 16.80mm
Transfer Ports5
Rear Ball BearingSteel (25.8mm)
Crankshaft14mm – Turbo - Tuned
CarburetorPlastic – 9mm – Reverse
Glow PlugOS Turbo plugs
Exhaust PositionRear
Recommended FuelNitro - 25%
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Products specifications
Displacement.21 (3.49cc)
RPM (Maximum)34,000
RPM (Practical)6,000 - 32,600
Bore x Stroke16.26mm x 16.80mm
Transfer Ports5
Rear Ball BearingSteel (25.8mm)
Crankshaft14mm – Turbo - Tuned
CarburetorPlastic – 9mm – Reverse
Glow PlugOS Turbo plugs
Exhaust PositionRear
Recommended FuelNitro - 25%
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