8Pcs DG508 Ignition Coils & Spark Plug SP479, 18.9% High Performance, Compatible with Ford F150 F250 F550 E150 E250 E550 4.6L 5.4L 6.8L V8 V10 Lincoln Mercury, Replacement for DG508 DG457 DG472 DG491 Yellow is up for auction in Automotive. The current bid is $20.00, 60% below the $49.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.