OS Max 40 LA 40LA CL Control Line Engine + Muffler - Front Mount NVA

OS Max 40 LA R/C Model Airplane Engine w/Muffler & Rear Needle Valve & Spinner

OS Max 40 LA 40LA CL Control Line Engine with Front Mount NVA

NIB O.S. 35 FP Control Line Stunt Model Airplane Engine

Vintage OS Max H .40 P RC Airplane Engine Enya Muffler Parts Repair

MAC 40 OR 6.5 cc ABC R/C MODEL AIRPLANE ENGINE NEW IN BOX +MUFFLER .40 cu in ***

OS Max 40 LA C/L F/F Model Airplane Engine xLNT Condition & Compression DF60

Nice OS LA 40 Model Airplane Stunt Engine with box.LN, 103