E.T.A. 4/21/2017 Fits all 2/24/16 and later-built Mustang GT and F-150 5.0L 4V Ti-VCT Coyote Engines. For vehicles and harnesses built prior to 2/24/16, see part #M-12029-M50C. This is a set of 8 OEM production ignition coils and bolts for a 5.0L Coyote Engine Note: Does not fit engines built 2/23/16 and prior due to electrical connector change, including crate engines. These coils only work with the latest level wiring harness (GR3T prefix)