This listing is for one set of brand new. Supertech Dual Valve Springs Kit for Ford Duratec Mazda 3 2.0L 2.3L. Included = Dual Valve Springs + Titanium Retainers + Spring Seats. The item "Supertech SPRK-TS-DUR-D1 Dual Valve Springs Kit for Ford Duratec Mazda 3 2.0 2.3" is in sale since Friday, January 26, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Camshafts, Lifters & Parts".The seller is "ericsperformancepartscorp" and is located in Pomona, California. This item can be shipped worldwide.