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

O.S. Engines O.S. MAX .10 FPI R/C Model Airplane Engine & Muffler

Vintage Model RC Airplane Parts Lot | Engines, Servos, Props, Receivers, etc!

Vintage Graupner OS OS-I Wankel I-49 .30 Cubic Inch Model Airplane Engine

2 CLEAN .40 SIZE R/C ENGINES W/ ORIGINAL MUFFLERS : OS MAX FP 40 & MAGNUM GP 40

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

Vintage Magic Muffler Tuned Exhaust Pipe RC Airplane Nitro glow Engines WW Ship

3- ZENOAH? Gas Giant Scale R/c Model Airplane ENGINES w/ STAND 1-w/ 14" PROP!!