Coarse thread enables quick closure without cross-threading Large contoured finger tabs allow for easier opening compared to classic Vortex design Safety lock switch prevents accidental cap loosening due to vibration or contact Integrated dual check valve assembly eliminates fuel tank pressure issues Vent and chamber design helps stop leaks by containing any fuel that gets past the check valve Up to 55% lighter than stock keyed fuel tank caps Comes standard with silver lock switch Made in the USA. CAP FUEL V3 BLACK KIT