The Moroso 1-3/8in-12 threaded aluminum filler cap kit in black anodized finish provides a serviceable closure for 1-3/8in-12 threaded filler necks. Machined from aluminum and finished in black anodize, the cap offers a neat appearance and corrosion-resistant surface. It’s a straightforward replacement or upgrade for systems that specify the 1-3/8in-12 thread size.
Moroso 1 3/8in-12 Thread Aluminum Filler Cap Kit - Black Anodized