• Firestone Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155) 4155

    Firestone 4155 | Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155); 2004-2017
    Firestone 4155 | Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155); 2004-2017 Alternate Image 1
    Firestone 4155 | Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155); 2004-2017 Alternate Image 3
    Firestone 4155 | Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155); 2004-2017 Alternate Image 4
    Firestone 4155 | Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155); 2004-2017 Alternate Image 5
    Firestone 4155 | Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155); 2004-2017 Alternate Image 6

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Product Description

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 180 ?F (82 ?C) and -40 ?F (-40 ?C).

Firestone Coil-Rite Air Helper Spring Kit Rear 04-17 Toyota Sienna (W237604155)

Suspension Leveling Kit

SuspLoadLvlingKt

Sienna

Senia

The 1930’s was a momentous time for Firestone Industrial Products and more specifically 1938 because that is when they patented their first pneumatic expansion device or air spring and thus began the road to a more comfortable ride. The development and improvement of the air spring progressed through the years through Firestone’s ingenuity and dedication. Not one to rest on their laurels, in the 1970’s Firestone began manufacturing heavy duty truck cab and seat springs, and then to reduce the overall weight of a vehicle they developed the very first plastic pistons.

And of course, always with an eye toward the future, Firestone was the pioneer for the injection molded piston in the 1990’s and they also introduced the Coil-Rite Air Helper Springs into their product line. But Firestone was not done yet and in the 2000”s they popularized the air dampening technology with the introduction of the impressive fully integrated intelligent air spring sensor.

Firestone joined the aftermarket arena in the 1980’s with the purchase of Ride-Rite resulting in the expansion of its air spring line of products to include products like the Ride-Rite kits for Light Trucks, Motor Homes, RVs, SUVs and Vans. These popular air helper springs can be easily installed on these vehicles and are designed for safe load-carrying capacity, stability, ride quality and effective braking and air pressure can be adjusted for different load capacities providing optimum load support.

And, of course, Firestone knows you want a smoother ride on your coil spring suspension vehicles, so they provided you with the Firestone Coil Rite Air Helper Springs. And best of all they are designed to fit inside your existing coil springs creating a variable spring rate. No more problems with leveling your vehicle and improvement in braking and handling when you install the Air Helper Springs.

As you can see, Firestone and LMPerformance are here to help you get a smoother ride whatever you drive.

IMAGES: Images may be a representation and may not reflect the actual product.

Policies

California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

California Residents: TIRE WARNING: LMPerformance will not ship Tires to California.

Legal: Some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. Buyer takes all responsibility to ensure that any modifications or upgrades that have done conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. LMPerformance is not responsible for buyer not complying with Federal, State, Province, and/or Local laws, ordinances, and regulations. This policy shall be in force for all past, current, and future purchases from LMPerformance, Inc. LMPerformance will not ship ANY non-CARB compliant products to California where California requires products to be CARB certified such as Catalytic Converters and Induction Kits.

FREE SHIPPING: Please note FREE Shipping refers to shipping within the contiguous continental US only. All other locations extra. Some items that require Truck Freight Delivery will require a Truck Freight surcharge. This surcharge is still a discounted shipping amount that is lower then the actual truck freight shipping charge that is charged to LMP. LMP will try to still give the lowest price possible for truck freight items.

IMAGES: Images may be a representation and may not reflect the actual product. Examples would be SPEC stage 3 clutch kits which all use the same photo.

TYPOS: LMPerformance tries to present the best most accurate information on our website. Sometimes we get mistakes in product information sent from vendors such as typos. We can not be responsible for these typos, if you see something that does not look right please let us know before ordering so we can double check for you first. LMPerformance will not pay for typos in any way, monetarily or otherwise.

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