O.S. Engines O.S. FS-.26 Surpass 4-Stroke R/C Model Airplane Engine & Muffler

O.S. Engines O.S. FS-95V Ringed 4-Stroke R/C Model Airplane Engine & Muffler

OS FS 48 Surpass 4 Cycle RC Engine Part - Rocker Assembly

OS FS 48 Surpass 4 Cycle RC Engine Part - Cylinder Head w/ Gasket & Bolts

O.S. FS-40 Surpass 4-Stroke R/C Model Airplane Engine NICE!

Redfin twin shaft Model Diesel Engine N.I.B

O.S FS-48 Surpass Four Stroke R/C Model Airplane Engine NICE $ ESTATE SALE

Rare Vintage 1986 Graupner OS FS 40 / 4 Stroke Model Engine in Superb Condition.