XDP Performance Valve Springs & Retainer Kit For 1998.5-2018 5.9L/6.7L Cummins 24-Valve powerstroke Mandrel-bent aluminized steel construction

Mandrel-bent aluminized steel construction

this system provides outstanding on-road comfort and increased off-road performance

Featuring a rubber lid seal to keep out power robbing engine heat

Perfect for custom cat-back or axle-back configurations using 2

2008-2010 Ford F-550 6

XDP Performance Valve Springs & Retainer Kit For 1998.5-2018 5.9L/6.7L Cummins 24-Valve powerstroke Mandrel-bent aluminized steel constructionControl the valvetrain in your 1998. 52018 Dodge Ram 5. 9L or 6. 7L 24 Valve Cummins with the XDP XD313 Performance Valve Springs and Retainer Kit. Factory valve springs are not designed for the elevated boost pressures and higher RPMs that accompany performance upgrades such as aftermarket turbochargers and custom tuning. When exposed to these conditions, stock springs can cause valve float or reversionallowing exhaust gases to reenter the cylinder