XDP Performance Valve Springs & Retainer Kit For 1998.5-2018 5.9L/6.7L Cummins 24-Valve powerstroke Featuring a rubber lid seal

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

Wiper seal on every piston for dirt exclusion

Requires 94-97 Hanger HG6100

As with all Mishimoto products

XDP Performance Valve Springs & Retainer Kit For 1998.5-2018 5.9L/6.7L Cummins 24-Valve powerstroke Featuring a rubber lid sealControl 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