Firestone Coil-Rite Air Helper Spring Kit for the Rear of your 2007-2012 Nissan Altima.

If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire. Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C).

Details & Benefits:

• Designed to work in temperatures between -40?F (-40?C) and 180?F (82?C)
• Easily control air pressure in the air springs for varying loads and conditions
• Spring performance can be altered as easily as inflating a tire
• Made of durable, elastic polyurethane

Specs:

• Fill Kit: Manual
• Load Capacity: 1000 lbs.
• Installation: No Drill
• In-Bed Hitch: Not Compatible
• Min. Air Pressure: 5 PSI
• Max. Air Pressure: 35 PSI
• Install Time: 1 hour
• Digital installation instructions: HERE

Includes:

• Everything is included for a quick, easy installation.
  • Air springs
  • Hardware
  • Air line and separate valves for manual inflation, the same as you would use for inflating a tire.

Fits:

• 2007-2012 Nissan Altima