O.S. GT33 Petrol Engine with E-5030 Pitts Style Muffler (L-OS38300)

O.S. GT33 Petrol Engine with E-5030 Pitts Style Muffler (L-OS38300)

The second engine in the latest O.S. GT series of petrol engines is designed for the new class of mo..
£419.99 Ex Tax: £349.99
O.S. FR7-420 Sirius 7 Four Stroke 7 Cyclinder Engine (L-OS37010)

O.S. FR7-420 Sirius 7 Four Stroke 7 Cyclinder Engine (L-OS37010)

Since 1986, O.S. owners have enjoyed the unique experience of owning and operating the fabulous FR5-..
£4,599.99 Ex Tax: £3,833.33
O.S. Engine Powerboost Pipe 105 Heli Muffer (X-OS72146000)

O.S. Engine Powerboost Pipe 105 Heli Muffer (X-OS72146000)

A tuned silencer system designed especially for the 105HZ series of engines...
£189.99 Ex Tax: £158.33
O.S. FF-320 Pegasus Four Cylinder Four Stroke Engine (L-OS36410)

O.S. FF-320 Pegasus Four Cylinder Four Stroke Engine (L-OS36410)

Closely following the design of many full-size light aircraft engines, the O.S. Pegasus 320 is a hor..
£2,399.99 Ex Tax: £1,999.99
O.S. OMR-4043-172 Brushless Motor with Gearbox (M-OS51020130)

O.S. OMR-4043-172 Brushless Motor with Gearbox (M-OS51020130)

O.S. OMR-4043-172 Brushless Motor with Gearbox (M-OS51020130)..
£1,174.99 Ex Tax: £979.16
O.S. RU-01 Reduction Gear Unit (M-OS51020150)

O.S. RU-01 Reduction Gear Unit (M-OS51020150)

O.S. RU-01 Reduction Gear Unit (M-OS51020150)..
£779.99 Ex Tax: £649.99
OS GF40 Petrol with F-6040 Silencer (L-OS39400)

OS GF40 Petrol with F-6040 Silencer (L-OS39400)

OS GF40 Petrol with F-6040 Silencer (L-OS39400)..
£699.99 Ex Tax: £583.33
OS GF-30 Petrol with F-6040 Silencer (L-OS3A000)

OS GF-30 Petrol with F-6040 Silencer (L-OS3A000)

OS GF-30 Petrol with F-6040 Silencer (L-OS3A000)..
£629.99 Ex Tax: £524.99
O.S. FT 160 Gemini Twin Cylinder Four Stroke Engine (L-OS36108)

O.S. FT 160 Gemini Twin Cylinder Four Stroke Engine (L-OS36108)

This is a larger bore version of the original FT120 Gemini - completely redesigned to take advantage..
£949.99 Ex Tax: £791.66
OS Engine GT55 Petrol (L-OS38000)

OS Engine GT55 Petrol (L-OS38000)

OS Engine GT55 Petrol (L-OS38000)..
£574.99 Ex Tax: £479.16
O.S. OMR-4043-1160 Brushless Motor (M-OS51020140)

O.S. OMR-4043-1160 Brushless Motor (M-OS51020140)

O.S. OMR-4043-1160 Brushless Motor (M-OS51020140)..
£489.99 Ex Tax: £408.33
O.S. Speed 21XZ-GT (L-OS1AS00)

O.S. Speed 21XZ-GT (L-OS1AS00)

O.S. Speed 21XZ-GT (L-OS1AS00)..
£469.99 Ex Tax: £391.66