OS Max 10 FP-S Control Line Engine + Muffler+ mount+ prop+ spinner RARE!!

OS Max 40 Two Stroke Engine No Muffler

OS 25 Two Stroke Engine w/Muffler

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

OS Max 15CV nitro engine Gold Blue Very Good Compression **READ DESCRIPTION **

Vintage OS Max III .15 Control Line Airplane Glow Engine box And Manual ONLY

OS FS-61 Four Stroke 9.95c.c. R/C Engine great compression nice estate sale!

OS FS 120 Surpass lll Engine CH GASOLINE CONVERSION From NITRO+ gaspump RARE