WWII Boeing B-17 Flying Fortress / Wright R-1820 Cyclone Rocker Arm

WWII Boeing B-17 Flying Fortress / Wright R-1820 Cyclone Rocker Arm as shown on photo. P/N unknown. It appears to be new / old stock, unused. It shows very well and it would make an excellent show piece for the bookshelf in the office or home. Sold for display only, as is. 

The Wright R-1820 Cyclone engine was installed on: 

• Boeing B-17 Flying Fortress
• Boeing 307 Stratoliner
• Brewster F2A
• Curtiss AT-32-A Condor
• Curtiss SBC-4 Helldiver
• Curtiss P-36 Mohawk
• Curtiss SC Seahawk
• Curtiss-Wright CW-21
• Douglas A-33
• Douglas B-18
• Douglas DC-2
• Douglas DC-3 / C-47 Skytrain
• Douglas R4D-8/C-117D
• Douglas DC-5
• Douglas SBD Dauntless
• General Motors FM-2 Wildcat
• Grumman TF-1 / C-1 Trader
• Grumman E-1 Tracer
• Grumman FF
• Grumman F3F
• Grumman HU-16 Albatross
• Grumman J2F Duck
• Grumman S-2 Tracker
• Lockheed 14 Super Electra
• Lockheed Lodestar
• Lockheed Hudson
• Martin B-10
• North American O-47
• North American P-64
• North American T-28B / C / D Trojan
• Northrop N-3PB Nomad
• Northrop YC-125 Raider
• Piasecki H-21 Shawnee / Workhorse
• Ryan FR Fireball
• Sikorsky H-34 / S-58
• Vultee V-1