NIB O.S. 40 FP Control Line Stunt Model Airplane Engine

OS Max 40FP RC Model Airplane Engine Excellent Condition w/Extra Muffler DF62

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

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

VINTAGE ~ O.S. MAX 40 FP, RC Airplane Model Engine w/ Muffler. Nice!

Mid 90s Vintage OS 40 LA RC Model Airplane Engine Excellent In Box

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

OS Max 40 FP R/C Model Airplane Glow Engine