Which cars does the Type MZ 1-Way Front LSD for DE5FS fit?

Cusco USA lists part number LSD 438 A for the Mazda2 (DE5FS, 2010-2013). The Type MZ 1-Way Front LSD for DE5FS replaces the factory front 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.

How does the Type MZ differ from the Type RS?

The Type MZ uses a high-pressure cone spring that works against the activation pressure, which gives it the highest initial torque of any Cusco LSD and a linear build to full lock. The Type RS uses coil springs for a lower initial torque and smoother, quicker engagement, which makes it the friendlier choice for a street car.

Can the ramp setting be changed later?

Cusco lists the setting for this unit as 1 way (Two Different Ramp Set, 35/0 deg and Default 45/0 deg). 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 MZ 1-Way Front LSD for DE5FS Mazda2

Cusco’s Type MZ 1-Way Front LSD for DE5FS Mazda2 replaces the factory front differential with a clutch-type limited-slip unit built around a high-pressure cone spring, which gives the Type MZ the highest initial torque of any Cusco LSD. In 1-way form it locks under acceleration only and stays open off the throttle, so turn-in feels close to stock. The cone spring brings the clutch pack to full lock at a linear rate, so the locking effect builds predictably. It suits a car that sees competition, where strong locking matters more than street manners.

Design and Performance

In the Type MZ the activation pressure works against a high-pressure cone spring, so the diff engages once those opposing forces meet. That cone spring gives the MZ the highest initial torque of any Cusco LSD and brings the clutch pack to full lock at a linear rate, so the Type MZ 1-Way Front LSD for DE5FS behaves the same way corner after corner.

Features

High-pressure cone spring for the highest initial torque in the Cusco range
1-way action: locks on acceleration only
Linear build to full clutch-pack lock
Clutch-type multi-plate design in place of the factory front differential
Built for the Mazda2

Specifications

Cusco part number: LSD 438 A
Type: Type MZ
Action: 1-way
Cusco setting: 1 way (Two Different Ramp Set, 35/0 deg & Default 45/0 deg)
Position: Front differential

Applications

Mazda2: DE5FS | 2010-2013 | 5MT Transmission with Open Diff, Engine: ZY-VE (1.5L)

Notes

Fitting the Type MZ 1-Way Front LSD for DE5FS means removing the transmission and splitting it to swap the differential; installation labor is not included
Cusco: Comes with ring gear bolts

Frequently Asked Questions

Which cars does the Type MZ 1-Way Front LSD for DE5FS fit? Cusco USA lists part number LSD 438 A for the Mazda2 (DE5FS, 2010-2013). The Type MZ 1-Way Front LSD for DE5FS replaces the factory front 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.
How does the Type MZ differ from the Type RS? The Type MZ uses a high-pressure cone spring that works against the activation pressure, which gives it the highest initial torque of any Cusco LSD and a linear build to full lock. The Type RS uses coil springs for a lower initial torque and smoother, quicker engagement, which makes it the friendlier choice for a street car.
Can the ramp setting be changed later? Cusco lists the setting for this unit as 1 way (Two Different Ramp Set, 35/0 deg and Default 45/0 deg). 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.

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BP Pricing Difference

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Cusco Type MZ 1-Way Front LSD for DE5FS Mazda2 [LSD 438 A]

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Cusco Type MZ 1-Way Front LSD for DE5FS Mazda2

Design and Performance

Features

Specifications

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Frequently Asked Questions

About CUSCO

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