Dorman 929-921 Heavy Duty Coil Spring Upgrade Increased Load Capacity - Rear 70%

The Dorman 929-921 Severe Heavy Duty Coil Spring Upgrade delivers 70 percent increased load handling capacity over standard OE springs, making it ideal for Ram truck owners who frequently haul heavy loads, tow trailers, or need enhanced rear suspension support. This direct-fit replacement pair restores proper ride height and eliminates sagging caused by worn or overloaded factory springs.

Key Features:

• 70% increase in load capacity compared to standard coil springs
• Heavy-duty construction designed for severe-duty applications
• Helps restore proper ride height and eliminate rear sag
• Direct-fit replacement for select Ram truck models
• Sold as a pair (left and right rear springs)
• Engineered to meet or exceed OE specifications

This upgrade is perfect for contractors, work trucks, and anyone who regularly pushes their Ram truck to its limits. The enhanced spring rate provides improved stability under load while maintaining acceptable ride quality during unloaded driving. Installation requires basic suspension tools and follows standard coil spring replacement procedures.