OE Equivalent Fuel Caps feature rugged heavy-duty construction. Meets or exceeds OEM specifications. Caps fit both shallow and deep cam filler necks - vented non-vented and vented anti-surge. Fenderwell Fuel Caps are zinc-plated and dichromate dipped for superior corrosion resistance. Some models are made from rugged plastic. EEC Fuel Caps meet OEM specifications and Federal and State Emission Requirements. Two-way action pressure relief/vacuum relief valve allows fuel tank to ΓÇ£breatheΓÇ¥ while preventing the escape of fuel fumes. Seals are compounded from fuel-resistant rubber. Exterior Fuel Caps have attractive chrome-plated finish. Gates - Driven By Possibility