Firestone Industrial 4124 Coil-Rite AIR BAG SUSPENSION KITbrand : Firestone Industrial with roll plate : No color : Black mounting type : Coil Spring Mount with valve : Yes pressure range : 5 To 35 Pounds Per Square Inch product shipping template : Migrated Template warranty : Manufacturer's Warranty manufacturer part number : 4124 quantity : Set Of 2 with bellows : No estimated install time (hours) : 1 load capacity : 1000 Pound with mounting hardware : Yes with air compressor : No upc : 767555097878 with air line : Yes california prop 65 warning : This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov mpn : 4124 type : Air Spring helper spring kit : With Air Compressor