Do the RS-R Sports-i Coilovers for XE30 IS 300 and IS 350 work with AVS?

No. RS-R states that the factory AVS system will be disabled when the Sports-i Coilovers for XE30 RWD cars of 2021-2025 are fitted. Owners of an IS 350 F Sport who want to keep the drive modes working should choose the RS-R Best-i Active kit for the same years.

How much lower will a 2021-2025 IS sit?

At the RS-R preset the front sits about 30mm to 35mm lower and the rear about 35mm to 40mm lower than stock. RS-R recommends minus 10mm to minus 65mm at the front and minus 10mm to minus 60mm at the rear.

Are the factory upper mounts reused?

At the rear, yes. RS-R states that the factory rear upper mounts are reused with this kit, so they should be inspected during installation and replaced if worn. The front coilovers arrive as complete assemblies. A worn mount can cause knocks over bumps after installation.

Is the Sports-i comfortable enough for daily use?

Yes, with the damping set toward the softer end. RS-R tunes the Sports-i for winding roads and track days, and the softer 8.0 kg/mm front and 7.0 kg/mm rear springs on this kit keep it livable on the commute. Damping can be firmed up again for a track day.

Can the dampers be rebuilt?

Yes. RS-R builds the Sports-i range in-house in Japan, so the dampers can be overhauled rather than replaced. RS-R USA covers the kit for 1 year or 12,000 miles from purchase. Rebuilding restores the original damping, and Bulletproof Automotive handles any claim with RS-R for the owner.

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Description

RS-R Sports-i Coilovers for XE30 Lexus IS 300 / IS 350 RWD (2021-2025)

RS-R’s Sports-i Coilovers for XE30 Lexus IS 300 / IS 350 RWD (2021-2025) are the manual-damper choice for the current rear-drive IS. RS-R pairs monotube dampers with 8.0 kg/mm front and 7.0 kg/mm rear Ti2000 springs and a preset of about 30mm to 35mm lower at the front and 35mm to 40mm at the rear. On cars fitted with the factory AVS, RS-R notes that the system will be disabled, and the factory rear upper mounts are reused. Assembled in Osaka and serviceable through RS-R, it suits a current IS owner who wants a sharper chassis tuned by hand rather than by the factory electronics.

Design and Performance

Full-length adjustable bodies set height at the lower mount, keeping stroke at any ride height. The front range runs from 15mm above stock to 95mm below, so the car can be set close to stock or lowered well past the preset.

Features

Manual damping adjustment at the coilover
Monotube dampers with a large oil volume to resist fade
Full-length adjustable bodies
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: 8.0 kg/mm
Spring rate, rear: 7.0 kg/mm
Preset drop, front: 30-35mm (1.2-1.4in)
Preset drop, rear: 35-40mm (1.4-1.6in)
Maximum adjustment, front: +15mm 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 300 / IS 350: XE30 | 2021-2025 | RWD

Notes

The Sports-i Coilovers for XE30 RWD cars disable the factory AVS on cars that have it, and the factory rear upper mounts are reused
To keep the factory AVS on an IS 350 F Sport, see the RS-R Best-i Active Coilovers for XE30 Lexus IS 350 F Sport RWD (2021-2025)
A wheel alignment is needed after installation and after any ride height change

Frequently Asked Questions

Do the RS-R Sports-i Coilovers for XE30 IS 300 and IS 350 work with AVS? No. RS-R states that the factory AVS system will be disabled when the Sports-i Coilovers for XE30 RWD cars of 2021-2025 are fitted. Owners of an IS 350 F Sport who want to keep the drive modes working should choose the RS-R Best-i Active kit for the same years.
How much lower will a 2021-2025 IS sit? At the RS-R preset the front sits about 30mm to 35mm lower and the rear about 35mm to 40mm lower than stock. RS-R recommends minus 10mm to minus 65mm at the front and minus 10mm to minus 60mm at the rear.
Are the factory upper mounts reused? At the rear, yes. RS-R states that the factory rear upper mounts are reused with this kit, so they should be inspected during installation and replaced if worn. The front coilovers arrive as complete assemblies. A worn mount can cause knocks over bumps after installation.
Is the Sports-i comfortable enough for daily use? Yes, with the damping set toward the softer end. RS-R tunes the Sports-i for winding roads and track days, and the softer 8.0 kg/mm front and 7.0 kg/mm rear springs on this kit keep it livable on the commute. Damping can be firmed up again for a track day.
Can the dampers be rebuilt? Yes. RS-R builds the Sports-i range in-house in Japan, so the dampers can be overhauled rather than replaced. RS-R USA covers the kit for 1 year or 12,000 miles from purchase. Rebuilding restores the original damping, and Bulletproof Automotive handles any claim with RS-R for the owner.

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 Sports-i Coilovers for XE30 Lexus IS 300 / IS 350 RWD (2021-2025) [XBIT591M]

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RS-R Sports-i Coilovers for XE30 Lexus IS 300 / IS 350 RWD (2021-2025)

Design and Performance

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About RS-R

Reviews