How low can the LS 400 go on the Black-i?

RS-R Japan recommends a working range of 35mm to 75mm down at the front and 35mm to 80mm at the rear, and states the car keeps 90mm to 100mm of ground clearance as shipped. Going toward the bottom of the range depends on wheel and tire size and on avoiding contact with the body.

How much lower will the LS 400 sit on the RS-R Black-i Coilovers for UCF20?

At the RS-R preset the Black-i Coilovers for UCF20 kit sets the LS 400 about 35mm to 40mm lower at both the front and the rear. RS-R recommends minus 35mm to minus 75mm at the front and minus 35mm to minus 80mm at the rear, and the full-length bodies keep the same stroke at any height.

How firm is the Black-i compared with the Sports-i on the LS 400?

Firmer. RS-R built the Black-i for the lowest ride heights, with short-stroke dampers made for each model, high spring rates that keep the tires away from the inner fenders and aero parts, and a firm damping setting that controls those springs. The LS 400 will ride stiffer than on a Sports-i kit, which suits owners who put stance first.

Can the LS 400 dampers be rebuilt when they wear?

Yes. RS-R assembles the Black-i range in-house in Japan, so the dampers on this LS 400 kit can be overhauled to restore their original damping rather than replaced. Bulletproof Automotive can arrange the overhaul with RS-R USA, which keeps the original valving and spring rates for the car.

Should the RS-R coilovers on the LS 400 be installed by a shop?

It is the safer choice. Fitting coilovers involves the suspension mounts, hubs and brake lines, and the LS 400 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 Black-i Coilovers for UCF20 Lexus LS 400 (1995-2000)

RS-R’s Black-i Coilovers for UCF20 Lexus LS 400 (1995-2000) take the second-generation LS lower than the Sports-i can, about 35mm to 40mm at both ends at the preset with room to go much further. RS-R Japan specifies 18.0 kg/mm front and 10.0 kg/mm rear springs and short-stroke dampers with 36 steps of adjustment, and states that the car keeps 90mm to 100mm of minimum ground clearance as shipped on the recommended springs.

Features

36-step damping adjustment front and rear
Short-stroke dampers built for each model to reach very low ride heights
High spring rates with a firm damping setting to control them
Full-length adjustable monotube bodies with Black-i lower brackets
Assembled in-house in Japan and serviceable through RS-R overhaul

Specifications

Spring rate, front: 18.0 kg/mm
Spring rate, rear: 10.0 kg/mm
Damping adjustment: 36 steps front and rear
Preset ride height, front: -35mm to -40mm
Preset ride height, rear: -35mm to -40mm
Maximum adjustment, front: -25mm to -160mm
Maximum adjustment, rear: -30mm to -190mm

What’s Included

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

Applications

Lexus LS 400: UCF20 | 1995-2000

Notes

The Black-i Coilovers for UCF20 kit is built for very low ride heights and rides firmly by design
Specifications are RS-R Japan figures for this part number
Product images show a representative RS-R Black-i kit from a related application; mounts, brackets and spring layout differ by vehicle
For a softer daily kit, see the RS-R Sports-i Coilovers for UCF20 Lexus LS 400 (1995-2000)
A wheel alignment is needed after installation and after any ride height change

Frequently Asked Questions

How low can the LS 400 go on the Black-i? RS-R Japan recommends a working range of 35mm to 75mm down at the front and 35mm to 80mm at the rear, and states the car keeps 90mm to 100mm of ground clearance as shipped. Going toward the bottom of the range depends on wheel and tire size and on avoiding contact with the body.
How much lower will the LS 400 sit on the RS-R Black-i Coilovers for UCF20? At the RS-R preset the Black-i Coilovers for UCF20 kit sets the LS 400 about 35mm to 40mm lower at both the front and the rear. RS-R recommends minus 35mm to minus 75mm at the front and minus 35mm to minus 80mm at the rear, and the full-length bodies keep the same stroke at any height.
How firm is the Black-i compared with the Sports-i on the LS 400? Firmer. RS-R built the Black-i for the lowest ride heights, with short-stroke dampers made for each model, high spring rates that keep the tires away from the inner fenders and aero parts, and a firm damping setting that controls those springs. The LS 400 will ride stiffer than on a Sports-i kit, which suits owners who put stance first.
Can the LS 400 dampers be rebuilt when they wear? Yes. RS-R assembles the Black-i range in-house in Japan, so the dampers on this LS 400 kit can be overhauled to restore their original damping rather than replaced. Bulletproof Automotive can arrange the overhaul with RS-R USA, which keeps the original valving and spring rates for the car.
Should the RS-R coilovers on the LS 400 be installed by a shop? It is the safer choice. Fitting coilovers involves the suspension mounts, hubs and brake lines, and the LS 400 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 Black-i Coilovers for UCF20 Lexus LS 400 (1995-2000) [XBKT282M]

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RS-R Black-i Coilovers for UCF20 Lexus LS 400 (1995-2000)

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About RS-R

Reviews