TC Bros Aluminum Filler Cap for Oil Tanks (unvented).

• Standard 1 5/16" - 12 Thread Fits Many Chopper Oil Tanks such as Mooneyes.
• CNC Machined From 6061 Billet Aluminum. 'Knurled' For Extra Grip. Leak Free O-Ring Seal. Dome top contour for classic looks.
• 100% Made In USA
• (Replacement Cap for TC Bros. #105-0132 Oil Tank)