Safely and conveniently keep critters, spare parts, dust and dirt out of your engine whether in storage, getting work done, or on permanent display. Fits the 1.5L engine in 2011-2015 Mazda2, 2.0L MZR in the 2006-2013 MX5 NC, 2.3 and 2.5L in Mazda 3, 5, 6, etc. and more than likely the Ford counterpart. Mocap plastic cap, set of 4.