Which cars does the Type RS 2-Way Rear LSD for JZS160/UZS161 fit?

Cusco USA lists part number LSD 193 F2 for the Lexus GS 300 / 400 / 430 (JZS160/UZS161, 1998-2005). The Type RS 2-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 2-way mean?

A 2-way LSD locks under deceleration as well as acceleration. The driven wheels stay tied together when the driver lifts or brakes, which keeps the car stable and predictable in a slide and on hard braking. The trade-off is more push on corner entry and heavier manners at parking speeds, so it suits drift and dedicated competition cars.

How does the Type RS differ from the Type MZ?

The Type RS sets its initial torque with coil springs that push in the same direction as the activation pressure, so it engages smoothly and quickly with a lower initial torque. The Type MZ uses a high-pressure cone spring, giving it the highest initial torque of any Cusco LSD and a stronger, more linear lock suited to competition.

Can the ramp setting be changed later?

Cusco lists the setting for this unit as 2 way (1 and 2 way). Where Cusco names an alternate or optional ramp set, the unit can be changed over when the differential is opened, so it is best combined with a differential service rather than treated as a quick change at the track.

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 Type RS 2-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430

Cusco’s Type RS 2-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430 replaces the factory rear differential with a clutch-type limited-slip unit that uses coil springs to set its initial torque. As a 2-way it locks under acceleration and deceleration alike, which keeps the car stable on the brakes and holds both wheels together through a slide. Engagement is smoother and quicker than Cusco’s MZ series, and the low initial torque keeps tight turns easy when the diff is not working. Choose it for drift, time attack or any car that is driven hard on the brakes.

Design and Performance

Small RS springs inside the pressure rings load the clutch plates before any drive torque arrives. Because they push in the same direction as the initial torque, the plates engage quickly and progressively, and adding or removing springs moves the initial torque up or down. Under power the cams add locking force in step with torque, so the Type RS 2-Way Rear LSD for JZS160/UZS161 holds the driven wheels together harder as the engine pulls harder.

Features

Coil-spring initial torque system with RS springs inside the pressure rings
2-way action: locks on acceleration and deceleration
Smoother, quicker engagement than the Cusco MZ series
Clutch-type multi-plate design in place of the factory rear differential
Built for the GS 300 / 400 / 430

Specifications

Cusco part number: LSD 193 F2
Type: Type RS
Action: 2-way
Cusco setting: 2 way (1 & 2 way)
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 Type RS 2-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 Type RS 2-Way Rear LSD for JZS160/UZS161 fit? Cusco USA lists part number LSD 193 F2 for the Lexus GS 300 / 400 / 430 (JZS160/UZS161, 1998-2005). The Type RS 2-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 2-way mean? A 2-way LSD locks under deceleration as well as acceleration. The driven wheels stay tied together when the driver lifts or brakes, which keeps the car stable and predictable in a slide and on hard braking. The trade-off is more push on corner entry and heavier manners at parking speeds, so it suits drift and dedicated competition cars.
How does the Type RS differ from the Type MZ? The Type RS sets its initial torque with coil springs that push in the same direction as the activation pressure, so it engages smoothly and quickly with a lower initial torque. The Type MZ uses a high-pressure cone spring, giving it the highest initial torque of any Cusco LSD and a stronger, more linear lock suited to competition.
Can the ramp setting be changed later? Cusco lists the setting for this unit as 2 way (1 and 2 way). Where Cusco names an alternate or optional ramp set, the unit can be changed over when the differential is opened, so it is best combined with a differential service rather than treated as a quick change at the track.
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

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Shipping Policy

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BP Pricing Difference

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Cusco Type RS 2-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430 [LSD 193 F2]

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Cusco Type RS 2-Way Rear LSD for JZS160/UZS161 Lexus GS 300 / 400 / 430

Design and Performance

Features

Specifications

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Notes

Frequently Asked Questions

About CUSCO

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