Synergy 3 Inch Lift Front Coil Springs for Dodge Ram Truck 1500/2500/3500 4x4 offer excellent off road performance while preserving ride quality Details: Synergy coils offer excellent off road performance while preserving ride quality Progressively wound; keeps spring from coming unbound at suspension droop Progressively wound spring eliminates annoying spring clanking found on most suspension kits Feature frequency balanced and tuned spring rates to maxixmize suspension performance on and off road Suspension components feature an abrasion-resistant black Powdercoat finish for maximum durability and corrosion resistance Sold in Pairs Fits: 06-08 Dodge Ram 1500 Mega Cab 4x4 Gas 03-13 Dodge Ram 2500 4x4 Diesel 03-12 Dodge Ram 3500 4x4 Diesel Notes: When using stock Dodge wheels and wider off-road tires, we recommend a 1.5 inch wheel spacer Due to the additional weight of the Mega Cab configurations, we recomment these HD springs instead of the light duty springs