{"product_id":"cusco-type-mz-one-way-lsd-toyota-mr2-aw11-4age-manual","title":"CUSCO Type MZ Limited Slip Differential | 4A-GE Manual (1984-89 MR2 \/ 1987-91 Corolla)","description":"\u003ch2\u003eCUSCO Type MZ Limited Slip Differential\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1984–1989 Toyota MR2 AW11 and 1987–1991 Toyota Corolla AE92 coupe equipped with naturally aspirated 4A-GE engines, original manual transaxles and open differentials.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe CUSCO Type MZ is a \u003cstrong\u003emechanical clutch-type limited-slip differential\u003c\/strong\u003e for the naturally aspirated 1984–1989 JDM \/ 1985–1989 U.S.-Market Toyota MR2 AW11 rear transaxle and 1987–1991 JDM Corolla Levin \/ Sprinter Trueno AE92 coupe or 1988–1991 U.S.-Market Corolla GT-S AE92 coupe front transaxle. It replaces the original open differential to limit excessive wheel-speed differences under power, helping both driven wheels contribute drive when traction is uneven.\u003c\/p\u003e\n\u003cp\u003eChoose between the \u003cstrong\u003e1-Way\u003c\/strong\u003e configuration, which engages primarily under acceleration, and the \u003cstrong\u003e1.5-Way\u003c\/strong\u003e configuration, which adds some locking action during deceleration. Both deliver positive clutch-type engagement; low-speed chatter and periodic friction-component service are normal ownership considerations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo Locking Styles in One:\u003c\/strong\u003e Both the \u003cstrong\u003e1-Way and 1.5-Way CUSCO Type MZ\u003c\/strong\u003e configurations can be switched between 1-Way and 1.5-Way operation using their built-in cam settings. This gives owners the flexibility of \u003cstrong\u003etwo LSD setups for the price of one\u003c\/strong\u003e, without purchasing another differential or a separate cam conversion kit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCone-spring preload:\u003c\/strong\u003e Type MZ uses cone springs to provide initial clutch-pack loading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable locking behavior:\u003c\/strong\u003e 1-Way emphasizes traction under acceleration; 1.5-Way adds partial locking during engine braking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-configured, convertible cams:\u003c\/strong\u003e Both the 1-Way and 1.5-Way versions use the same convertible 1-Way \/ 1.5-Way cam arrangement; each arrives set to the selected locking style.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable clutch internals:\u003c\/strong\u003e replaceable friction discs and plates support future servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 — AW11 \/ MK1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1984–1989:\u003c\/strong\u003e JDM \/ Naturally aspirated 4A-GE \/ Original five-speed manual transaxle with open differential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989:\u003c\/strong\u003e U.S.-Market \/ Naturally aspirated 4A-GE \/ Original five-speed manual transaxle with open differential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Levin \/ Sprinter Trueno — AE92 Coupe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e1987–1991:\u003c\/strong\u003e JDM \/ Naturally aspirated 4A-GE \/ Original manual front transaxle with open differential\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla GT-S — AE92 Coupe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1991:\u003c\/strong\u003e U.S.-Market \/ Naturally aspirated 4A-GE \/ Original manual front transaxle with open differential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit automatic transmissions or factory 4A-GZE supercharged E-series transaxle configurations.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eEngine\/transaxle swaps, six-speed conversions and existing aftermarket differentials require separate application assessment; the chassis code alone does not establish interchangeability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation hardware, side bearings and seals are not included.\u003c\/strong\u003e Correct new ring-gear bolt locking plates are required and must be sourced separately.\u003c\/li\u003e\n\u003cli\u003eNew ring-gear bolts and side bearings are required only when the originals are unserviceable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e CUSCO\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Type MZ\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Mechanical clutch-type limited-slip differential\u003cbr\u003e\u003cstrong\u003eLocking Styles:\u003c\/strong\u003e 1-Way \/ 1.5-Way\u003cbr\u003e\u003cstrong\u003eCase Size:\u003c\/strong\u003e D-size\u003cbr\u003e\u003cstrong\u003eInitial Torque:\u003c\/strong\u003e 8–10 kgf·m\u003cbr\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e AW11 rear transaxle \/ AE92 front transaxle\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich Limited Slip Differential Should You Choose?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1-Way — Best for Street Driving \u0026amp; Spirited Corner Exits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose 1-Way if you want stronger traction under acceleration without additional deceleration-side locking as you enter corners. It is the more approachable Type MZ configuration for a street-driven or autocross AW11, allowing freer differential action when lifting off the throttle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1.5-Way — Best for Drivers Who Prefer Some Deceleration Locking\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose 1.5-Way if you want additional differential locking while slowing into corners or using engine braking. This can suit track-focused driving and drivers who prefer a more connected off-throttle response, but it changes corner-entry behavior and is not automatically the better choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType MZ vs. Type RS — Which Locking Feel Do You Prefer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCUSCO Type MZ\u003c\/strong\u003e uses a cone-plate design that produces higher initial locking resistance, making it appealing to drivers who prefer a more pronounced, traditional clutch-type differential feel.\u003c\/p\u003e\n\u003cp\u003eFor drivers who prioritize smoother everyday operation and lower initial locking resistance, consider the \u003cstrong\u003e\u003ca href=\"https:\/\/preserverad.com\/products\/cusco-type-rs-limited-slip-differential-aw11-mr2-4age-manual\" target=\"_blank\" rel=\"noopener\"\u003eAW11 CUSCO Type RS Limited Slip Differential\u003c\/a\u003e\u003c\/strong\u003e. Its coil-spring design provides quicker, more progressive engagement with less initial resistance. Both designs are offered in 1-Way and 1.5-Way configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Flexibility:\u003c\/strong\u003e Both available Type MZ configurations belong to CUSCO's convertible 1-Way \/ 1.5-Way cam family. A different cam setting provides a second locking style without purchasing another complete LSD. The 1-Way and 1.5-Way settings are internal cam configurations, not driver-selectable modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Recommendation:\u003c\/strong\u003e Choose \u003cstrong\u003eType MZ 1-Way\u003c\/strong\u003e for mixed street and spirited driving if you specifically prefer the stronger initial locking feel of the MZ design. Choose \u003cstrong\u003eType MZ 1.5-Way\u003c\/strong\u003e when additional deceleration-side locking is part of your handling preference. If smoother, lower-preload operation is your priority, the \u003cstrong\u003eType RS 1-Way\u003c\/strong\u003e is the better starting point for most street-driven AW11s.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1-Way\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e(1) CUSCO Type MZ limited-slip differential center, factory-configured for 1-Way engagement\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1.5-Way\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e(1) CUSCO Type MZ limited-slip differential center, factory-configured for 1.5-Way engagement\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eThe complete transaxle, final-drive ring gear, installation hardware, side bearings and seals are not included.\u003c\/p\u003e","brand":"CUSCO","offers":[{"title":"1-Way","offer_id":67660178686261,"sku":"1543","price":1249.95,"currency_code":"USD","in_stock":true},{"title":"1.5-Way","offer_id":67712861995317,"sku":"1544","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/aw11-cusco-type-mz-limited-slip-differential-01.png?v=1792550985","url":"https:\/\/preserverad.com\/products\/cusco-type-mz-one-way-lsd-toyota-mr2-aw11-4age-manual","provider":"Preserve Rad","version":"1.0","type":"link"}