REV Ignition 8 High Output Ford DG543 Ignition Coils 4.6L DOHC 5.4L DOHC & Suprchrgd, 5.8L Suprchrgd

Rev Ignition’s RD1009R is specifically designed for your late model Ford engines with Coil-on-Plug technology.  The coil housing has the same design as the original equipment coil. However, inside the coil the secondary and primary windings were engineered to deliver at least 10% to 15% more spark the than OE coils.  The high performance coils significantly improve the engine combustion making for a smooth throttle response, more efficient burn and ultimately improved gas mileage.  As a commitment to quality, each coil is factory tested. 1997-2014 4.6L DOHC, 5.4L DOHC & Supercharged, 5.8L Supercharged V8 Engines See fitment table below Mustang 1999 -2004 4.6L DOHC & Supercharged V8 Mustang 2007 - 2012  5.4LSupercharged V8 Mustang 2013 - 2014 5.8L Supercharged V8 10% to 15% more Spark over original and replacement OE coils Compatible with OEM numbers:, DG543, UF191 Will convert from 12 volts to more than 25,000 volts Improved throttle response, more efficient burn, improved ga