HSP Diesel

Super fast shipping and Processing times, even when I was expecting manufacturer delays, definitely recommend HSP to everyone I know to order future DMax parts.

My daughter & I installed a brand new 220amp alternator in my 2005 duramax. Works perfectly

The Best

Loves y’all products that’s all I’ll ever run thanks for giving me the opportunity to buy and enjoy your products

Hsp is super nice and easy to work with especially on the phone if need be when buying my piping kit I did the research between there competitors like wc fab and felt more comfortable with hsp the small details in there work really shows