Wrinkle Black HD High Output Alternator 1994-1997 Ford 7.3L Powerstroke XD357 XDP Duramax L5P The stock valve springs in

The stock valve springs in your Cummins engine are not designed to handle the increased engine RPM or higher boost levels that are common in modified applications

and cylinder pressure while minimizing valvetrain deflection

and removes larger fuel particulates

or you need that extra power to light the trail with your off-road lights

Wrinkle Black HD High Output Alternator 1994-1997 Ford 7.3L Powerstroke XD357 XDP Duramax L5P The stock valve springs inUpgrade the charging system in your 1994 1997 Ford 7. 3L Powerstroke with the XDP Wrinkle Black HD High Output Alternator XD357. Many Powerstroke enthusiasts install aftermarket upgrades like plows, off road lighting, upgraded stereo systems, aftermarket horns, and other aftermarket electronics that can quickly max out the capabilities of your factory charging system. The XDP HD Series High Output Alternator gives you a substantial output increase