Which cars does the Hybrid 1-Way Rear LSD for JZS160/UZS161 fit?

Cusco USA lists part number HBD 193 A for the Lexus GS 300 / 400 / 430 (JZS160/UZS161, 1998-2005). The Hybrid 1-Way Rear LSD for JZS160/UZS161 replaces the factory rear differential, so check the notes on this page for any model or transmission limits before ordering.

What does 1-way mean?

A 1-way LSD locks only under acceleration. When the driver lifts or brakes it stays open like a factory diff, so the car turns in and rotates freely off the throttle. It is the most forgiving setting for a car that is also driven on the street, and the least likely to make the car push on corner entry.

Who is the Hybrid LSD for?

Cusco designed the Hybrid for automatic cars and street driving. It has the smallest initial torque of any Cusco LSD, thanks to a larger-diameter coil spring, so it turns smoothly when the diff is not working and engages quickly when it is. Drivers who track the car hard will get more from a Type RS or Type MZ.

Can the LSD be rebuilt?

Yes. The friction plates in any clutch-type LSD wear over time, and Cusco supplies service parts such as replacement plate sets for its units, so the Hybrid 1-Way Rear LSD for JZS160/UZS161 can be overhauled rather than replaced. How often depends on use; a car that sees regular track or drift days will need it sooner than a road car.

What should I know before installing it?

The differential carrier must be removed from the car to fit the Cusco unit, so most owners have a drivetrain specialist do it. Plan on fresh gear oil, since Cusco sells its own LSD oil for clutch-type differentials, and read the notes on this page for any extra parts Cusco says the job needs.

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Description

Cusco Hybrid 1-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430

Cusco’s Hybrid 1-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430 replaces the factory rear differential with a clutch-type limited-slip unit that blends the Type MZ and Type RS designs around a larger coil spring, giving it the lowest initial torque in the Cusco range. In 1-way form it locks under acceleration only and stays open off the throttle, so turn-in feels close to stock. Cusco aims it mainly at automatic cars and street driving, where a gentle, stable diff matters most. It suits an automatic or daily-driven car that needs more traction without a harsh diff.

Design and Performance

The Hybrid combines elements of the Type MZ and Type RS. Its activation pressure acts in the same direction as the initial torque through a larger-diameter coil spring, which gives the Hybrid 1-Way Rear LSD for JZS160/UZS161 the smallest initial torque in the Cusco range, quick initial plate engagement and smooth turning when the diff is not working. Cusco describes its operation as gentle and stable.

Features

Larger-diameter coil spring for the lowest initial torque in the Cusco range
1-way action: locks on acceleration only
Gentle, stable operation aimed at automatic and street cars
Clutch-type multi-plate design in place of the factory rear differential
Built for the GS 300 / 400 / 430

Specifications

Cusco part number: HBD 193 A
Type: Hybrid
Action: 1-way
Cusco setting: 1 way (Initial set-up)
Position: Rear differential

Applications

Lexus GS 300 / 400 / 430: JZS160/UZS161 | 1998-2005 | AT, Open Diff / Torsen LSD, 2JZ-GE (3.0L), 1UZ-FE (V8 4.0L), 3UZ-FE (V8 4.3L)

Notes

Fitting the Hybrid 1-Way Rear LSD for JZS160/UZS161 means removing the differential carrier to swap the differential; installation labor is not included
Cusco: For 2004-2005 Models only: Use LSD-167-### for 1998-2003 Models
Cusco: Require Toyota Genuine Oil Seal to install. Sold separately

Frequently Asked Questions

Which cars does the Hybrid 1-Way Rear LSD for JZS160/UZS161 fit? Cusco USA lists part number HBD 193 A for the Lexus GS 300 / 400 / 430 (JZS160/UZS161, 1998-2005). The Hybrid 1-Way Rear LSD for JZS160/UZS161 replaces the factory rear differential, so check the notes on this page for any model or transmission limits before ordering.
What does 1-way mean? A 1-way LSD locks only under acceleration. When the driver lifts or brakes it stays open like a factory diff, so the car turns in and rotates freely off the throttle. It is the most forgiving setting for a car that is also driven on the street, and the least likely to make the car push on corner entry.
Who is the Hybrid LSD for? Cusco designed the Hybrid for automatic cars and street driving. It has the smallest initial torque of any Cusco LSD, thanks to a larger-diameter coil spring, so it turns smoothly when the diff is not working and engages quickly when it is. Drivers who track the car hard will get more from a Type RS or Type MZ.
Can the LSD be rebuilt? Yes. The friction plates in any clutch-type LSD wear over time, and Cusco supplies service parts such as replacement plate sets for its units, so the Hybrid 1-Way Rear LSD for JZS160/UZS161 can be overhauled rather than replaced. How often depends on use; a car that sees regular track or drift days will need it sooner than a road car.
What should I know before installing it? The differential carrier must be removed from the car to fit the Cusco unit, so most owners have a drivetrain specialist do it. Plan on fresh gear oil, since Cusco sells its own LSD oil for clutch-type differentials, and read the notes on this page for any extra parts Cusco says the job needs.

About CUSCO

CUSCO is the brand of Carrosser Co., Ltd., founded in December 1977 and based in Takasaki, Gunma Prefecture, Japan. Carrosser designs and builds coilovers, limited-slip differentials, clutches, roll cages and chassis parts, sells its steel cages under the Safety 21 name, and competes in every All Japan Championship category from circuit racing to rally and gymkhana. CUSCO USA, a division of Carrosser, is based in Huntington Beach, California.

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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Cusco Hybrid 1-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430 [HBD 193 A]

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Cusco Hybrid 1-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430

Design and Performance

Features

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Notes

Frequently Asked Questions

About CUSCO

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