Firestone Coil-Rite Air Helper Spring Kit Rear 98-17 Toyota 4Runner (W237604135) - 4135

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).

This Part Fits:

Year	Make	Model	Submodel
2013-2018	Lexus	LX570	Base
1998-2001	Toyota	4Runner	Base
1998-2021	Toyota	4Runner	Limited
2020-2021	Toyota	4Runner	Nightshade
2003-2009	Toyota	4Runner	Sport
1998-2021	Toyota	4Runner	SR5
2018-2021	Toyota	4Runner	SR5 Premium
2010-2016,2021	Toyota	4Runner	Trail
2017-2021	Toyota	4Runner	TRD Off-Road
2018-2021	Toyota	4Runner	TRD Off-Road Premium
2015-2021	Toyota	4Runner	TRD Pro
2020-2021	Toyota	4Runner	Venture
2007-2014	Toyota	FJ Cruiser	Base
2008	Toyota	FJ Cruiser	Trail Teams Special Edition
2007	Toyota	FJ Cruiser	TRD Special Edition

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Please note product may vary from image, and some parts are special order. If delivery time is a concern, please contact us for stock status before buying.​

About - Firestone Airride​​

Firestone Airide: Elevating Ride Performance

Firestone Airide, a Bridgestone Americas company, has been a pioneer in air suspension since 1938, delivering innovative solutions that enhance comfort, control, and performance across automotive, heavy-duty, and off-highway markets.

Known for products like Ride-Rite air helper springs and smart systems like Air Command, Firestone Airide blends cutting-edge technology with decades of experience. They're also helping lead the shift to electric vehicles while supporting Bridgestone’s E8 Commitment to sustainability.

With global manufacturing and recent investments in U.S. distribution centers, Firestone Airide is driving the future of ride performance—smarter, smoother, and more sustainable than ever.

​About GoTurbo.net/Armageddon Turbo Systems​

Get the best prices and service on Firestone/Airride products at Armageddon Turbo Systems (www.goturbo.net). We offer Firestone/Airride's full line with the best service possible.

Armageddon Turbo Systems is a company specializing in aftermarket turbocharger systems for various vehicles, particularly trucks and muscle cars. We offer complete turbocharger kits designed to significantly increase engine performance and power output.

Armageddon Turbo Systems gained prominence for their innovative approach to turbocharging, providing bolt-on solutions that allow enthusiasts to add substantial horsepower and torque to their vehicles without extensive modifications. Their kits typically include all necessary components for installation, including the turbocharger unit, intercooler, piping, fuel system upgrades, and engine management solutions.

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