Which cars does the Type MZ 1.5-Way Front LSD for VBH fit?

Cusco USA lists part number LSD 180 B15 for the Subaru WRX (VBH, 2022-2026), the Subaru Crosstrek (GP7, GT7, 2013-2023), the Subaru Legacy (BD5, BE5, BL, BM9/BMF, 1995-2014) and the other cars listed under Applications. The Type MZ 1.5-Way Front LSD for VBH 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 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.

What initial torque does it use?

Cusco quotes 8 to 10 kgf-m of initial torque for this unit, which is the locking force the differential applies before the engine sends any power through it. Lower values feel smoother on the road; higher values hold the inside wheel harder on corner exit.

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 1.5-Way Front LSD for VBH Subaru WRX, Crosstrek, Legacy and Impreza WRX

Cusco’s Type MZ 1.5-Way Front LSD for VBH and related Subaru models 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. As a 1.5-way it locks fully under acceleration and partly on deceleration, which steadies the car on corner entry. The cone spring brings the clutch pack to full lock at a linear rate, so the locking effect builds predictably. It suits competition use, where a strong, consistent lock on both sides of the corner matters.

Features

High-pressure cone spring for the highest initial torque in the Cusco range
1.5-way action: full lock on acceleration, partial on deceleration
Linear build to full clutch-pack lock
Clutch-type multi-plate design in place of the factory front differential

Specifications

Cusco part number: LSD 180 B15
Type: Type MZ
Action: 1.5-way
Cusco setting: 1.5-way (1-way 45/0 & 1.5-way 45/15 deg)
Initial torque: 8-10 kgf-m (approx. 58-72 lb-ft)
Position: Front differential

Applications

Subaru Impreza WRX: GDA | 2002-2007
Subaru Impreza: GC8 | 1993-2001
Subaru Legacy: BD5 | 1995-1999
Subaru Forester: SF9 | 1998-2002
Subaru Legacy Outback: BG5 | 1995-1999
Subaru Legacy: BE5 | 2000-2004
Subaru Impreza 2.5RS Coupe: GC8 2-Door Coupe | 1998-2001
Subaru WRX: VBH | 2022-2026
Subaru Impreza WRX Hatchback: GH8 | 2008-2014
Subaru Legacy: BL (Sedan) / BP (Wagon) | 2005-2009
Subaru Legacy: BM9/BMF | 2010-2014
Subaru Crosstrek: GP7 | 2013-2017
Subaru Legacy / Outback: BL (Sedan) / BP (Wagon) | 2005-2009
Subaru Impreza WRX Wagon: GGA | 2001-2007
Subaru Crosstrek: GT7 | 2018-2023
Subaru Outback: BR9 | 2010-2014
Subaru Forester: SG9 | 2003-2008

Notes

Fitting the Type MZ 1.5-Way Front LSD for VBH means removing the transmission and splitting it to swap the differential; installation labor is not included
Cusco: Replacement Plate Set: LSD-001-03, Initial Torque Check Service Tool: LSD-SST-16

Frequently Asked Questions

Which cars does the Type MZ 1.5-Way Front LSD for VBH fit? Cusco USA lists part number LSD 180 B15 for the Subaru WRX (VBH, 2022-2026), the Subaru Crosstrek (GP7, GT7, 2013-2023), the Subaru Legacy (BD5, BE5, BL, BM9/BMF, 1995-2014) and the other cars listed under Applications. The Type MZ 1.5-Way Front LSD for VBH 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 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.
What initial torque does it use? Cusco quotes 8 to 10 kgf-m of initial torque for this unit, which is the locking force the differential applies before the engine sends any power through it. Lower values feel smoother on the road; higher values hold the inside wheel harder on corner exit.
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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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

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Cusco Type MZ 1.5-Way Front LSD for VBH Subaru WRX, Crosstrek, Legacy and Impreza WRX [LSD 180 B15]

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Cusco Type MZ 1.5-Way Front LSD for VBH Subaru WRX, Crosstrek, Legacy and Impreza WRX

Features

Specifications

Applications

Notes

Frequently Asked Questions

About CUSCO

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