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O.S. FS91 Surpass II-P w/F-4020 Sil
This latest version of the popular FS91 Surpass features a true pressurised fuel system. Similar to the new FS 120S-III the new FS 91-II P has a pump system that is capable of delivering constant fuel...
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Retail Price: £234.99 You Save: £23.50
Our Price: £211.49
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O.S. FS120 Surpass E w/FS120SE Sil.
This is the economy, suction-fed version of the FS120S engine – without a fuel pump or pressure regulated carb – but with all the other quality features found in the FS120S series of engines – the lar...
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Retail Price: £274.99 You Save: £27.50
Our Price: £247.49
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O.S. FS120 Surpass III w/F-5020 Sil
An updated version of the FS120 MkII now fitted with an integral O.S. Type PG-03 fuel pump and carburettor with built-in fuel regulation to offer the maximum engine reliability irrespective of th...
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Retail Price: £299.99 You Save: £30.00
Our Price: £269.99
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O.S. FS200 Surpass w/F-6010 Sil.
The largest, single-cylinder four stroke engine that OS has ever made draws on unrivalled experience in engine design. This powerful, high-torque engine has been created with scale and sports-scale mo...
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Retail Price: £299.99 You Save: £30.00
Our Price: £269.99
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O.S. FS91 Surpass IIFI w/F-4020 Sil
The only four-stroke engine in the world with 'fuel-injection' this is targeted at models designed for the old class of 61 two-stroke engine butwith the possibility of sound levels that are much lower...
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Retail Price: £499.99 You Save: £50.00
Our Price: £449.99
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O.S. FT-160 Gemini
This is a larger bore version of the original FT120 Gemini – completely redesigned to take advantage of five years' experience with the manufacture of the original model.
The Gemini 160 has...
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Retail Price: £649.99 You Save: £65.00
Our Price: £584.99
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O.S. FT-300 Super Gemini
With a capacity of almost 49cc, this is the largest of the Gemini series of horizontally opposed engines.
For quarter scale models, its smoothness, power and realism make this a most convin...
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Retail Price: £799.99 You Save: £80.00
Our Price: £719.99
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O.S. FF-320 Pegasus
Closely following the design of many full-size light aircraft engines, the O.S. Pegasus 320 is a horizontally opposed four cylinder engine that has been developed from the 40cc Pegasus-240 introduced ...
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Retail Price: £1099.99 You Save: £110.00
Our Price: £989.99
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O.S. FR5-300 Sirius
This incredible 50cc five cylinder radial engine closely follows full-size practice in its design and construction, including the use of a geared double-track cam ring to operate its valve gear.
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Retail Price: £1699.99 You Save: £170.00
Our Price: £1529.99
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O.S. IL-300 Dia-Star
OS celebrated 70 years of model engine manufacturing in 2006. A depth of experience and technical knowledge that is unsurpassed in the field of model engines. Since the launch of their first engine – ...
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Retail Price: £1799.99 You Save: £180.00
Our Price: £1619.99
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