Get one of these RRC billet aluminum caps w/ weld in bung for your application today. These can be used in a wide variety of applications from valve covers to rear end housings. They are made from 6061 T-6 Aluminum and CNC machined to exact tolerances. They feature an o-ring seal and course threads for ease of starting when installing the cap. They are available in a variety of sizes and colors along with aluminum or steel weld in bungs.
This item features the following items:
4-1/4" OD Anodized Blue Aluminum Fill Cap
Steel Weld In Bung
3-3/4" - 8 Threads
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