These custom spike gas caps are made from billet aluminum and match our other spike products.
These gas caps come in right handed vented, and left hand non-vented and fit FXLR and Sportster 1982/Later fat bob tanks.
Same nylon thread and correct pressure relief as the original Harley gas caps.
The diameter is 2.9 inches (same as OEM cap), and they are .750 high).
Available in Right Hand Vented and Left Hand Non-Vented