The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax engine can quickly produce more stress and load tha...
The XDP Billet Rocker Arm Valve Bridge Set XD383 will enhance the stock valvetrain in your modified 2003-2007 Ford 6.0L Powerstroke. The stock rocker arm bridges in your engine were designed for stock power levels.Add in the stress from common performance modifications and you will quickly surpass t...
The XDP Billet Rocker Arm Valve Bridge Set XD382 are an excellent upgrade to the valvetrain in your modified 2008-2010 Ford 6.4L Powerstroke. The stock rocker arm bridges in your truck were engineered for stock output levels.The added load and stress from your modified Powerstroke can rapidly exceed...