This vented locking cap from Jaz Products is the perfect addition to your fuel cell. It features a 6-bolt design and a 5" diameter, making it compatible with many different fuel cells. The cap is easy to install and provides added security for your fuel system. With a manufacturer part number of 340-200-06, this cap is made to the highest standards of quality. Whether you're racing or just need a reliable cap for your fuel cell, this Jaz Products vented locking cap is sure to meet your needs.