Do the RS-R Best-i Active Coilovers for XE30 IS F Sport keep the AVS working?

Yes. RS-R states that main damper adjustment on the Best-i Active Coilovers for XE30 F Sport cars is still done through the factory AVS controller, so the drive modes keep changing the ride and no warning canceller is needed. The 24-step dial at the base of each damper sets the baseline the controller works from.

How much lower will a 2014-2016 IS F Sport sit?

At the RS-R preset the car sits about 35mm to 40mm lower at both the front and the rear. RS-R recommends minus 5mm to minus 60mm at the front and minus 10mm to minus 60mm at the rear, and the full-length bodies allow more range if the owner wants it.

What does the secondary 24-step dial do?

The dial at the base of each damper sets the lower limit of the damping force, and the factory AVS then varies the damping above it as the drive mode and road conditions change. Owners use it to make the whole car slightly firmer for spirited driving or softer for long trips.

What is the difference between the Best-i Active and Basic-i Active for this IS?

Both work with the factory AVS controller and share the same spring rates. The Best-i Active adds the secondary 24-step dial so the owner can tune the base damping, while the Basic-i Active uses RS-R preset damping and relies on the factory controller alone, at a lower price.

Do these coilovers fit non-F Sport IS models?

RS-R lists this kit for the 2014-2016 IS 250, IS 300 and IS 350 F Sport RWD, chassis GSE30 and GSE31, which carry the factory AVS system. Non-F Sport rear-drive cars without AVS are covered by the RS-R Sports-i kit for the same years.

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Description

RS-R Best-i Active Coilovers for XE30 Lexus IS F Sport RWD (2014-2016)

RS-R’s Best-i Active Coilovers for XE30 Lexus IS F Sport RWD (2014-2016) let the early third-generation IS sit lower without giving up its Adaptive Variable Suspension. The factory AVS controller still runs the main damping, and RS-R adds a 24-step dial at the base of each damper to set the floor the electronics work from. Springs are 10.0 kg/mm front and 8.3 kg/mm rear, and RS-R’s preset lowers the car about 35mm to 40mm at both ends. Built and overhauled by RS-R in Osaka, it is the kit for an F Sport owner who wants the stance without a stiffer, cruder ride.

Design and Performance

The bodies are full-length adjustable monotubes, so height is set at the lower mount and stroke does not shrink as the car goes down. Because the AVS controller keeps running the dampers, the drive-mode switch still changes the ride, while the secondary dial lets the owner make every mode a little firmer or softer.

Features

Works with the factory Adaptive Variable Suspension controller
Secondary 24-step adjustment dial at the base of each damper
Full-length adjustable monotube dampers
Ti2000 springs, RS-R’s lightweight, sag-resistant spring range
Assembled in-house in Japan and serviceable through RS-R overhaul

Specifications

Spring rate, front: 10.0 kg/mm
Spring rate, rear: 8.3 kg/mm
Secondary damping adjustment: 24 steps
Preset drop, front: 35-40mm (1.4-1.6in)
Preset drop, rear: 35-40mm (1.4-1.6in)
Maximum adjustment, front: +25mm to -95mm
Maximum adjustment, rear: -10mm to -60mm
Warranty: 1 year or 12,000 miles from purchase

What’s Included

Front coilover assemblies (x2)
Rear dampers (x2)
Rear springs (x2)
Rear spring height adjusters (x2)

Applications

Lexus IS F Sport: XE30 (GSE30 / GSE31) | 2014-2016 | RWD

Notes

The Best-i Active Coilovers for XE30 F Sport cars keep the factory AVS working, so no warning canceller is needed
For a simpler AVS-compatible kit with preset damping, see the RS-R Basic-i Active Coilovers for XE30 Lexus IS F Sport RWD (2014-2016); for a manual-damper setup, the RS-R Sports-i Coilovers for XE30 Lexus IS 250 / IS 350 RWD (2014-2016)
A wheel alignment is needed after installation and after any ride height change

Frequently Asked Questions

Do the RS-R Best-i Active Coilovers for XE30 IS F Sport keep the AVS working? Yes. RS-R states that main damper adjustment on the Best-i Active Coilovers for XE30 F Sport cars is still done through the factory AVS controller, so the drive modes keep changing the ride and no warning canceller is needed. The 24-step dial at the base of each damper sets the baseline the controller works from.
How much lower will a 2014-2016 IS F Sport sit? At the RS-R preset the car sits about 35mm to 40mm lower at both the front and the rear. RS-R recommends minus 5mm to minus 60mm at the front and minus 10mm to minus 60mm at the rear, and the full-length bodies allow more range if the owner wants it.
What does the secondary 24-step dial do? The dial at the base of each damper sets the lower limit of the damping force, and the factory AVS then varies the damping above it as the drive mode and road conditions change. Owners use it to make the whole car slightly firmer for spirited driving or softer for long trips.
What is the difference between the Best-i Active and Basic-i Active for this IS? Both work with the factory AVS controller and share the same spring rates. The Best-i Active adds the secondary 24-step dial so the owner can tune the base damping, while the Basic-i Active uses RS-R preset damping and relies on the factory controller alone, at a lower price.
Do these coilovers fit non-F Sport IS models? RS-R lists this kit for the 2014-2016 IS 250, IS 300 and IS 350 F Sport RWD, chassis GSE30 and GSE31, which carry the factory AVS system. Non-F Sport rear-drive cars without AVS are covered by the RS-R Sports-i kit for the same years.

About RS-R

RS-R began in 1968 as a car parts shop in Osaka and has produced its own suspension, coilovers and mufflers since 1972. Now headquartered in Toyonaka, Osaka, where its plant has been since 1999, RS-R manufactures in-house in Japan, with coilover ranges including Sports-i, Black-i and Best-i and the Ti2000 spring range.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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RS-R Best-i Active Coilovers for XE30 Lexus IS F Sport RWD (2014-2016) [XLIT191MA]

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RS-R Best-i Active Coilovers for XE30 Lexus IS F Sport RWD (2014-2016)

Design and Performance

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About RS-R

Reviews