Firestone - fir4157 - Coil-Rite Rear Air Helper Spring Kit

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). Coil-Rite® Air Helper Spring Kit; Rear; Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;

• Keep Headlights Aimed On The Road
• Improve Braking Effectiveness
• Improve Steering And Balance
• Increase Vehicle Stability
• Maintain A Level Vehicle
• Prevent Bottoming Out
• Reduce Tire Wear

Brief Description: The Firestone Coil-Rite rear air helper spring kit is designed for vehicles with coil spring suspension. The air helper springs install inside the existing coil springs to create a variable spring rate, helping level the vehicle and support improved braking and handling under heavy loading and changing road conditions.

Key Features & Performance Benefits:

• Variable spring rate: Adjust air pressure to accommodate varying loads and road conditions.
• Vehicle leveling: Helps maintain a level vehicle and keep headlights aimed on the road.
• Handling support: Assists with steering, balance, stability and braking effectiveness.
• Bottoming and wear reduction: Helps prevent bottoming out and reduce tire wear.

Key Product Specifications & Technical Data:

• Brand: Firestone
• Part number: fir4157
• Product line: Coil-Rite
• Application position: Rear
• Spring material: Elastic polyurethane
• Support capacity: 500–1,000 lb per set
• Operating temperature range: -40°F to 180°F
• Installation requirement: No drilling required

What's Included in the Box: Air helper springs, supports, hardware, air line and inflation valves.

Fitment: Listed fitment data includes 2005 and 2006 Jeep Wrangler applications. Do not exceed the vehicle's gross vehicle weight rating.

Fitments:
1997 Jeep Wrangler Sahara
1997 Jeep Wrangler SE
1997 Jeep Wrangler Sport
1998 Jeep Wrangler Sahara
1998 Jeep Wrangler SE
1998 Jeep Wrangler Sport
1999 Jeep Wrangler Sahara
1999 Jeep Wrangler SE
1999 Jeep Wrangler Sport
2000 Jeep Wrangler Sahara
2000 Jeep Wrangler SE
2000 Jeep Wrangler Sport
2001 Jeep Wrangler Sahara
2001 Jeep Wrangler SE
2001 Jeep Wrangler Sport
2002 Jeep Wrangler Sahara
2002 Jeep Wrangler SE
2002 Jeep Wrangler Sport
2002 Jeep Wrangler X
2003 Jeep Wrangler Rubicon
2003 Jeep Wrangler Sahara
2003 Jeep Wrangler SE
2003 Jeep Wrangler Sport
2003 Jeep Wrangler X
2004 Jeep Wrangler Rubicon
2004 Jeep Wrangler Sahara
2004 Jeep Wrangler SE
2004 Jeep Wrangler Sport
2004 Jeep Wrangler Unlimited
2004 Jeep Wrangler X
2005 Jeep Grand Cherokee Laredo
2005 Jeep Grand Cherokee Limited
2005 Jeep Wrangler Rubicon
2005 Jeep Wrangler SE
2005 Jeep Wrangler Sport
2005 Jeep Wrangler Unlimited
2005 Jeep Wrangler Unlimited Rubicon
2005 Jeep Wrangler X
2006 Jeep Commander 65th Anniversary Edition
2006 Jeep Commander Base
2006 Jeep Commander Limited
2006 Jeep Grand Cherokee 65th Anniversary Edition
2006 Jeep Grand Cherokee Laredo
2006 Jeep Grand Cherokee Limited
2006 Jeep Grand Cherokee Overland
2006 Jeep Grand Cherokee SRT8
2006 Jeep Wrangler 65th Anniversary Edition
2006 Jeep Wrangler Rubicon
2006 Jeep Wrangler SE
2006 Jeep Wrangler Sport
2006 Jeep Wrangler Unlimited
2006 Jeep Wrangler Unlimited Rubicon
2006 Jeep Wrangler X
2007 Jeep Commander Base
2007 Jeep Commander Limited
2007 Jeep Commander Overland
2007 Jeep Commander Sport
2007 Jeep Grand Cherokee Laredo
2007 Jeep Grand Cherokee Limited
2007 Jeep Grand Cherokee Overland
2007 Jeep Grand Cherokee SRT8
2008 Jeep Commander Limited
2008 Jeep Commander Overland
2008 Jeep Commander Sport
2008 Jeep Grand Cherokee Laredo
2008 Jeep Grand Cherokee Limited
2008 Jeep Grand Cherokee Overland
2008 Jeep Grand Cherokee SRT8
2009 Jeep Commander Limited
2009 Jeep Commander Overland
2009 Jeep Commander Sport
2009 Jeep Grand Cherokee Laredo
2009 Jeep Grand Cherokee Limited
2009 Jeep Grand Cherokee Overland
2009 Jeep Grand Cherokee SRT8
2010 Jeep Commander Limited
2010 Jeep Commander Sport
2010 Jeep Grand Cherokee Laredo
2010 Jeep Grand Cherokee Limited
2010 Jeep Grand Cherokee SRT8

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1