Which cars does the Type RS 1.5-Way Front LSD for FD2 fit?

Cusco USA lists part number LSD 331 C15 for the Honda Civic Type R (FD2, 2006-2011). The Type RS 1.5-Way Front LSD for FD2 replaces the factory front differential, so check the notes on this page for any model or transmission limits before ordering.

What does 1.5-way mean?

A 1.5-way LSD locks fully under acceleration and partly under deceleration. The extra coast-side lock ties the driven wheels together when the driver lifts or brakes, which steadies the car on corner entry and under trail braking, at the cost of a little more push than a 1-way. It is a common choice for track 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 1.5 way (1 and 1.5 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?

On a front differential the transmission must be removed and split 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 1.5-Way Front LSD for FD2 Honda Civic Type R

Cusco’s Type RS 1.5-Way Front LSD for FD2 Honda Civic Type R replaces the factory front differential with a clutch-type limited-slip unit that uses coil springs to set its initial torque. As a 1.5-way it locks fully under acceleration and partly on deceleration, which steadies the car on corner entry. 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 a car that is driven on the road and pushed hard on track.

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 1.5-Way Front LSD for FD2 holds the driven wheels together harder as the engine pulls harder.

Features

Coil-spring initial torque system with RS springs inside the pressure rings
1.5-way action: full lock on acceleration, partial on deceleration
Smoother, quicker engagement than the Cusco MZ series
Clutch-type multi-plate design in place of the factory front differential
Built for the Civic Type R

Specifications

Cusco part number: LSD 331 C15
Type: Type RS
Action: 1.5-way
Cusco setting: 1.5 way (1 & 1.5 way)
Position: Front differential

Applications

Honda Civic Type R: FD2 | 2006-2011 | FD2 (Type-R – VTEC K20A)

Notes

Fitting the Type RS 1.5-Way Front LSD for FD2 means removing the transmission and splitting it to swap the differential; installation labor is not included
Cusco: Require ring gear bolts (Honda Genuine P/N 90017-PYZ-000 x 10 pcs.) for the vehicle which has Open Type Differential.

Frequently Asked Questions

Which cars does the Type RS 1.5-Way Front LSD for FD2 fit? Cusco USA lists part number LSD 331 C15 for the Honda Civic Type R (FD2, 2006-2011). The Type RS 1.5-Way Front LSD for FD2 replaces the factory front differential, so check the notes on this page for any model or transmission limits before ordering.
What does 1.5-way mean? A 1.5-way LSD locks fully under acceleration and partly under deceleration. The extra coast-side lock ties the driven wheels together when the driver lifts or brakes, which steadies the car on corner entry and under trail braking, at the cost of a little more push than a 1-way. It is a common choice for track 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 1.5 way (1 and 1.5 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? On a front differential the transmission must be removed and split 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 1.5-Way Front LSD for FD2 Honda Civic Type R [LSD 331 C15]

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Cusco Type RS 1.5-Way Front LSD for FD2 Honda Civic Type R

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About CUSCO

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