Demonracer said If you can get in touch with the cap manufacturer, they may have the seal you are looking for. What you have looks like a Stant locking gas cap. Click to expand...
Kendog 170 said Maybe you could steal one off this cheap cap or use it until you find the right one. 1968 DODGE DART 5.6L 340cid V8 Fuel Tank Cap | RockAuto Click to expand...
Kendog 170 said Is this it? Stant Locking Metal Fuel Gas Cap | eBay Click to expand...