NOS Douglas DC-3 / Curtiss-Wright R-1820 Cyclone Intake Valve E-138874-S-2-3

NOS Douglas DC-3 / Wright Engine Intake / Exhaust Valve BRLD-S-138874-F-5-4

NOS Douglas DC-3 / Wright Engine Intake / Exhaust Valve E-138874-S-4-3

NOS Curtiss-Wright R-1820 Cyclone Intake Valve BRLD-S-138874-F-10-6

NOS Douglas DC-3 / Curtiss-Wright R-1820 Cyclone Intake Valve S138874

Douglas DC-3 / Curtiss-Wright R-1820 Engine Intake Valve S-138874-J-8-9

Douglas DC-3 / Curtiss-Wright Engine Intake / Exhaust Valve E149195C-9-8

NOS Curtiss-Wright R-1820 Cyclone Engine Intake Valve S138874-G-9-7