Blessed Performance for the Quadzilla Valve Springs for 1998.5 to 2002 Dodge Ram Cummins diesel trucks.
The Quadzilla Power Valve Springs are 104# and will help your valvetrain rev safely to 4,000 RPM.
This product is highly recommending if you are running 500HP+ or 3,200+ RPM. Great for cams up to 193/220