Granatelli Motor Sports coil‑on‑plug connection kit with coil packs for Ford 4.6L/5.4L 3‑valve engines, for 2008.5–2010 cars, trucks and SUVs. The kit includes 35,000‑volt coil packs and connectors, and the manufacturer advertises up to 15% better mileage, a money‑back guarantee and a 1‑year warranty. It’s intended as a straightforward replacement to restore ignition function.
Granatelli 08.5-10 Ford 4.6/5.4L 3V Coil-On-Plug Wire Conn Kit w/Coil Packs