Phathead Racing Billet Gas Cap for IMS tank

With a one way valve built in to the breather vent designed to block the outflow of fuel when the tank is upside down(crash scenario), these gas caps offer an extra layer of protection over the traditional plastic caps which only restrict fuel flow when turned upside down. Features: 6061 T6 billet aluminum body Stainless hardware and one way valve/breather Viton gasket Made in USA with USA sourced materials Flex on the competition with our signature geometric designs carved out of solid 6061-T6 billet aluminum. Improved flow, sleek design and stainless hardware finish off these specialty tops Fit, function and looks are going to turn heads and have people asking questions. Fitment: IMS tank