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Four Stroke Engines

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O.S. FS52 Surpass

O.S. FS52 Surpass

£199.99 £179.99

One of O.S.'s most popular four strokes thanks to a combination of quality, performance and moderate price - plus th…

O.S. FL-70

O.S. FL-70

£179.99

Recognising that four-stroke engines should be affordable to all modellers, the new FL-70 delivers strong performance at…

SC120FS AERO RC RINGED ENGINE (MKII)

SC120FS AERO RC RINGED ENGINE (MKII)

£239.99

C.C. - 19.96 Bore - 30.40 Stroke - 27.50 Power (kW) - R.P.M. - 2000-11500 Weight - 1000g Rec Prop - 16 x 8 …

SC70FS AERO RC RINGED ENG(MKII)

SC70FS AERO RC RINGED ENG(MKII)

£175.99 £158.99

SC70FS AERO RC RINGED ENG(MKII) SRP £124.99 C.C. - 11.5 Bore - 25.80 Stroke - 22 …

SC91FS AERO RC RINGED ENG(MKII)

SC91FS AERO RC RINGED ENG(MKII)

£179.99 £161.99

Out of stock

4480620 SC91FS AERO RC RINGED ENG(MKII) C.C. - 14.95 Bore - 27.70 Stroke - 24.80 Power (kW) - R.P.M. - 2000-10000 …

SC160AR FS FLAT TWIN (MKII) RINGED

SC160AR FS FLAT TWIN (MKII) RINGED

£519.99 £468.99

SC160AR FS FLAT TWIN (MKII) RINGED C.C. - 12.8x2 Bore - 26.50 Stroke - 23.20 Power (kW) - R.P.M. - 2000-7600 …

SC400 64cc 5 CYLINDER RADIAL RINGED

SC400 64cc 5 CYLINDER RADIAL RINGED

£899.95 £799.99

SC400 64cc 5 CYLINDER RADIAL RINGED C.C. - 12.8x5 Bore - 26.50 Stroke - 23.20 Power (kW) - R.P.M. - 2000-7600 …

OS FSa-155-P

OS FSa-155-P

£399.99

Out of stock

The biggest engine in the 'Alpha' series has been designed with both aerobatic and scale modellers in mind. The p…

4 Stroke Engines

4 Stroke Engines

£169.99

Out of stock

Thunder Tiger’s powerhouse F-54s is the perfect way to enjoy the advantages of four-stroke performance; the ability to swing a larger prop, i…

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