These aluminum fill neck caps screw into a precision machined bung. They are gasketed so as to not allow liquid to drain out. Available in sizes 1 inch ID and 1.5 inch ID, these are the perfect addition for any aluminum reservoir or tank project! 

Aluminum Weld-On Threaded Fill Neck Assembly

  • Our refund policy states that if an order is cancelled after payment was made that the buyer will pay up to a 20% restocking fee even if Rampage Fab has not shipped your product.  Buyer is responsible for return shipping.

  • Unless explicitly stated otherwise, all products sold by Rampage Fabrication & Design are designated “Race Only” and are solely for competition/off road use limited to racing formally sanctioned by a recognized racing organization.  Any other use, including recreational off-road use, may be in violation of local, state, and federal laws. Rampage does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer to be in compliance with the law.  Rampage tries to make this information available whenever possible, but when in doubt, clients should review the legality of products prior to purchase.