What does the secondary 24-step dial do on the GS Best-i Active?

RS-R states that main damper adjustments are still made through the factory AVS controller, and the dial at the base of each damper sets the baseline damping the controller works from. Owners use it to make every drive mode slightly firmer for spirited driving or slightly softer for long highway trips.

Is the Best-i Active worth the extra cost over the Basic-i Active?

It is for owners who want to tune the feel. Both kits keep the factory AVS working and share springs and heights, but only the Best-i Active has the 24-step dial. Owners who are happy with the factory drive modes as they are can save money with the RS-R Basic-i Active kit.

How much lower will the GS 350 F Sport sit on the RS-R Best-i Active Coilovers for GRL10?

At the RS-R preset the Best-i Active Coilovers for GRL10 kit sets the GS 350 F Sport about 25mm to 30mm lower at the front and about 30mm to 35mm lower at the rear. RS-R recommends 0mm to minus 60mm at the front and minus 15mm to minus 60mm at the rear, and the full-length bodies keep the same stroke at any height.

Can the GS 350 F Sport dampers be rebuilt when they wear?

Yes. RS-R assembles the Best-i Active range in-house in Japan, so the dampers on this GS 350 F Sport kit can be overhauled to restore their original damping rather than replaced. RS-R USA covers the kit for 1 year or 12,000 miles from purchase, and Bulletproof Automotive handles any warranty claim with RS-R for the owner.

Should the RS-R coilovers on the GS 350 F Sport be installed by a shop?

It is the safer choice. Fitting coilovers involves the suspension mounts, hubs and brake lines, and the GS 350 F Sport needs a wheel alignment afterwards. A shop familiar with the car will also set the ride height evenly side to side and torque everything to specification before the alignment is done.

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Description

RS-R Best-i Active Coilovers for GRL10 Lexus GS 350 F Sport RWD (2013-2015)

RS-R’s Best-i Active Coilovers for GRL10 Lexus GS 350 F Sport RWD (2013-2015) keep the factory Adaptive Variable Suspension in charge while adding a secondary 24-step dial at the base of each damper. That dial sets the baseline the AVS controller works from, so every drive mode can be made a little firmer or softer. RS-R pairs it with 9.0 kg/mm front and 8.3 kg/mm rear springs and a preset about 25mm to 30mm lower at the front and 30mm to 35mm at the rear.

Features

Main damping controlled through the factory AVS 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: 9.0 kg/mm
Spring rate, rear: 8.3 kg/mm
Preset ride height, front: -25mm to -30mm (-1.0in to -1.2in)
Preset ride height, rear: -30mm to -35mm (-1.2in to -1.4in)
Maximum adjustment, front: +15mm to -95mm (+0.6in to -3.7in)
Maximum adjustment, rear: -15mm to -60mm (-0.6in to -2.4in)
Warranty: 1 year or 12,000 miles from purchase

What’s Included

Front and rear dampers (x4)
Front and rear Ti2000 springs

Applications

Lexus GS 350 F Sport: GRL10 | 2013-2015 | RWD

Notes

The Best-i Active Coilovers for GRL10 kit works with the factory adaptive damping
For a lower-cost kit with preset damping, see the RS-R Basic-i Active Coilovers for GRL10 Lexus GS 350 F Sport RWD (2013-2015); for manual dampers, the RS-R Sports-i Coilovers for GRL10 Lexus GS 350 RWD (2013-2015) and GS 300 (2018-2020)
A wheel alignment is needed after installation and after any ride height change

Frequently Asked Questions

What does the secondary 24-step dial do on the GS Best-i Active? RS-R states that main damper adjustments are still made through the factory AVS controller, and the dial at the base of each damper sets the baseline damping the controller works from. Owners use it to make every drive mode slightly firmer for spirited driving or slightly softer for long highway trips.
Is the Best-i Active worth the extra cost over the Basic-i Active? It is for owners who want to tune the feel. Both kits keep the factory AVS working and share springs and heights, but only the Best-i Active has the 24-step dial. Owners who are happy with the factory drive modes as they are can save money with the RS-R Basic-i Active kit.
How much lower will the GS 350 F Sport sit on the RS-R Best-i Active Coilovers for GRL10? At the RS-R preset the Best-i Active Coilovers for GRL10 kit sets the GS 350 F Sport about 25mm to 30mm lower at the front and about 30mm to 35mm lower at the rear. RS-R recommends 0mm to minus 60mm at the front and minus 15mm to minus 60mm at the rear, and the full-length bodies keep the same stroke at any height.
Can the GS 350 F Sport dampers be rebuilt when they wear? Yes. RS-R assembles the Best-i Active range in-house in Japan, so the dampers on this GS 350 F Sport kit can be overhauled to restore their original damping rather than replaced. RS-R USA covers the kit for 1 year or 12,000 miles from purchase, and Bulletproof Automotive handles any warranty claim with RS-R for the owner.
Should the RS-R coilovers on the GS 350 F Sport be installed by a shop? It is the safer choice. Fitting coilovers involves the suspension mounts, hubs and brake lines, and the GS 350 F Sport needs a wheel alignment afterwards. A shop familiar with the car will also set the ride height evenly side to side and torque everything to specification before the alignment is done.

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 GRL10 Lexus GS 350 F Sport RWD (2013-2015) [XLIT170MA]

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RS-R Best-i Active Coilovers for GRL10 Lexus GS 350 F Sport RWD (2013-2015)

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About RS-R

Reviews