Swift Springs Upgrade for BC Racing Coilovers (Set of 4)

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Swift SpringsSKU: BC-SWIFT-4
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Sale price$360.00 Regular price$396.00
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Ships direct from BC Racing North America

Description

Do you already own BC Racing Coilovers and want to upgrade them to Swift Springs, or do you want to change your spring rates?

Swift Springs' innovative designs have made us a staple in the performance tuning world. Our products are the result of over 90 years of experience in industrial spring manufacturing. Our engineers have spent countless hours developing and re-developing our springs, in order to create a product that is light, durable, and compliant, while still maintaining linear spring rates.

Many enthusiasts will swap springs from brand to brand with the only noticeable difference being a stiffer or softer ride. But what if a spring could offer a noticeable increase in traction, smoother weight transfer, better ride quality, lower tire temperatures, and a more predictable feel? The engineers at Swift have taken that 'what if' and turned it into reality.

All Swift Springs are manufactured using (H5S.TW.) which is far superior to silicone chrome steel and allows us to wind our springs with less coils, resulting in reduced un-sprung weight and increased stroke.

To shop by spring size instead of vehicle, click here.

Notes

  • All sales are final on this product. Please ensure you are selecting the right specs when customizing your coilovers.
  • This is for one pair of four (4) springs.
  • It's highly recommended to ensure your struts are valved for the rates you are choosing if they change by 4k. Failure to properly pair your springs and struts can damage your coilovers, hinder performance, and reduce ride quality.

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    In-Stock Products: 1-3 business days

    Products that are in-stock and do not require customization ship the same business day if ordered before 2pm ET. Orders placed after 2pm ET will ship the following business day. 

    Out of Stock: About 3-4 weeks

    If an item is out of stock, the average lead time is 3-4 weeks before shipping.

    Custom Builds: About 3-4 weeks

    Custom builds include any combination of the following options:

    • Custom spring rates
    • Extreme Low
    • Swift Springs
    • DS Series
    • ER Series
    • HM Series
    • RM Series
    • ZR Series

    Custom spring rates are available at no additional cost. Rates up to 20K are available in both BC Racing springs and Swift Springs. Rates ranging from 20K to 40K will require Swift Springs.

    Transit Time: 1-6 days

    All BC Racing Coilovers ship UPS Ground from BC Racing North America located in Oviedo, FL. The map below shows the average time it takes for the shipment to arrive at its destination.

    ⚠️ CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    Questions & Answers

    Ask a Question
    • what if i dont have bc coilovers.. can i still purchase these for the coils im running now

      Sure, as long as your coilovers need a 62mm ID spring. Just click this link and pick the size you need. https://bc.springrates.com/collections/swift-springs

    • Would these springs fit on Megan racing coilovers with a 14k spring rate for front and 12k spring rate in rears for a 2011 Lexus is350?

      You will need to measure the inner diameter to determine if they will fit. Most BC springs use a 62mm ID.

    • What is the length of the springs

      The length varies based on the kit you are purchasing them for. This is why you need to provide the appropriate details of your coilovers.

    • I purchased br series bc racing Coilovers for my 2017 Infiniti q50 3.0t awd. What is the recommended spring rate for a comfortable ride for my wife and kids.

      The recommended spring rate is the one marked as "Default (Recommended)" in the dropdown.

    • can i get 30k for front & 50k for rear?

      No. The spring rates go up to 40k as shown in the options.

    • Are the springs made to order to fit my coilover setup? I have a 2013 camaro Ls and I’m looking for smaller springs with more stiffness to lower the car a little more. Is 34k springs good enough with 4 inch springs or what would be recomended for dropping it another say 3-4 inches

      The springs are determined based on inner diameter, spring rate, and length. Just provide us your vehicle details when ordering and the setup you need.

    • Do y’all carry 40k swift springs

      Yes, Swift Springs go up to 40k for BC Racing Coilovers.

    • What size spring will come with these, it only gives me option for the spring rate not the size of the spring?

      When placing the order there's a field to designate your vehicle. In that field, let us know the the vehicle year/make/model and model (ie: 2012 Lexus IS350 RWD). Also, use the dropdown to select the model of coilovers they are for. From that information, we will determine the correct spring size needed.

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