INTERNALS

Don’t reinstall the factory plastic oil squirters in your 89-02 Dodge 5.9L Cummins Diesel replace them with our HD Cummins Piston Oil Squirters. Commonly known as piston cooling nozzles, cooling...

Colt Cams 4BT Tappet Set TAPPETS-4BT For 3.9L Cummins 4BT The Colt Cams 4BT Tappet Set is a great upgrade for the valvetrain in your 3.9L Cummins 4BT when adding a performance camshaft...