Gear Reduction Starter 08-10 Ford 6.4L Powerstroke Wrinkle Black XD256 XDPYou can rely on the XDP Wrinkle Black HD Gear Reduction Starter XD256 to get your 2008 2010 Ford 6. 4L Powerstroke running in the most extreme environments. XDP's HD Gear Reduction Starters are faster, stronger, and more durable than your factory starter. This gives you the ability to turn over even the most aggressive diesel engines. XDP's HD Gear Reduction Starters feature a more efficient motor that is quicker, and draws less amperage. The Gear