Enkei EV5 17x7 5x100/114.3 45mm Offset 72.6 Bolt Diameter Matte Bronze w/ Machined Lip Wheel - 446-770-0245ZPEV5 Sizes 17 & 18 Inch Hyper Black with Machined Lip or Matte Bronze with Machined Lip Spec E Inspected SPEC E All Enkei wheels are engineered to pass rigorous testing. In fact, Enkei established its own test standard called Spec E, which is tougher than JWL requirements. Enkeis Spec E test setting requires a higher drop point in the impact test and 20% more cycles for the rotary bending fatigue and dynamic radial fatigue tests than JWL standards. The