Firestone fir4100 Coil-Rite Air Helper Spring Kit - Front

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; Front; 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

The Firestone Coil-Rite Air Helper Spring Kit is designed for vehicles with front coil spring suspension. The air helper springs install inside the existing coil springs to create a variable spring rate, helping maintain a level vehicle and supporting improved stability, steering, balance, braking effectiveness, and ride comfort under varying loads and road conditions.

Air pressure can be adjusted to suit changing load conditions and driving requirements. The springs are made from durable, elastic polyurethane and support 500-1,000 pounds per set, without exceeding the vehicle's gross vehicle weight rating. The kit is designed to operate between -40°F and 180°F and requires no drilling for installation.

Key Features & Performance Benefits

• Variable spring rate: Adjust air pressure to accommodate varying loads and road conditions.
• Level vehicle support: Helps maintain a level vehicle and keep headlights aimed on the road.
• Handling and braking assistance: Helps improve braking effectiveness, steering, balance, and overall stability.
• Durable construction: Elastic polyurethane air springs provide comfort and stability.

Key Product Specifications & Technical Data

• Brand: Firestone
• Product line: Coil-Rite
• Part number: fir4100
• Application position: Front
• Spring type: Air helper spring
• Support capacity: 500-1,000 pounds per set
• Operating temperature range: -40°F to 180°F
• Installation requirement: No drilling required

What's Included in the Box

The kit includes air helper springs, supports, hardware, air line, and inflation valves.

Fitment

Listed fitment: 1963-1999 P30.

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