ACT XT/Perf Street Sprung Kit Ford Probe | Mazda 626 | MX-6 | Protege | Protege5 1993-2003

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Model#Z66-XTSS
ManufacturerACT

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ACT Z66-XTSS Advanced Clutch Kit

The ACT Z66-XTSS is designed for those who demand performance and reliability from their vehicles. This advanced clutch kit features the Xtreme pressure plate, which is tailored for the most enthusiastic drivers. With its exclusive diaphragm design, the Z66-XTSS increases clamp load, minimizes deflection, and extends the life of your clutch.

Each diaphragm undergoes a rigorous four-stage heat-treating process, ensuring that it can withstand the rigors of both street and race applications. Customers appreciate the precision of ACT's pressure plates, which are crafted with careful cover stampings for added rigidity and consistency. One satisfied user noted, "The engagement is smooth, and I've noticed a significant improvement in my car's responsiveness."

Features & Benefits

Moderate to heavy pedal effort with smooth engagement, suitable for both street and racing conditions.
Longer friction life thanks to ACT's exclusive diaphragm design.
Constructed with premium organic friction materials for excellent heat tolerance and reduced fade.
100% clamp load tested and dynamically balanced for reliable high RPM performance.
Quiet operation, providing increased strength and reliability.

Specifications

Clutch Disc Diameter: 8.8 in (224 mm)
Input Spline Quantity: 22
Input Shaft Diameter: 0.9375 in
Torque Capacity: 340 ft/lbs.
Weight: 13.8 lbs.
Disc Material: Organic
Pressure Plate Type: Xtreme
Alignment Tool Included: Yes
Pilot Bearing Included: Yes
Release Bearing Included: Yes
Grease Included: Yes

Fitment

Compatible with the following models:

Ford Probe (1993-1997)
Mazda 626 (1993-2002)
Mazda MX-6 (1993-1997)
Mazda Protege (2001-2003)
Mazda Protege5 (2002-2003)

Installation Instructions

For detailed installation guidance, CLICK HERE.

With the ACT Z66-XTSS, you're not just upgrading your clutch; you're enhancing your entire driving experience. Many customers have shared their satisfaction, with one stating, "This clutch has transformed my car's performance—it's a game changer!"

Other Part Numbers:
ACT #actZ66-XTSS

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
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Vehicle Make/Model	Year	Trims
Ford Probe	1993-1996	SE
Ford Probe	1993-1997	GT
Ford Probe	1993-1997	Base
Ford Probe	1997	GTS
Mazda 626	1993-1998	DX
Mazda 626	1993-2002	LX
Mazda 626	1993-2002	ES
Mazda MX-6	1993-1997	LS
Mazda MX-6	1993-1997	Base
Mazda MX-6	1996	M Edition
Mazda Protege	2001-2003	ES
Mazda Protege	2001-2003	DX
Mazda Protege	2001	MP3
Mazda Protege	2001-2003	LX
Mazda Protege	2002-2003	SE
Mazda Protege	2003	Mazdaspeed
Mazda Protege5	2002-2003	Base

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ACT ? Advanced Clutch Technology | Clutch Kits & Flywheels Built to Handle Real Power

If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.

ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.

Why ACT? Because Power Without Control Is Useless.

Hold More Power Engineered to handle turbo, supercharger, and high-compression builds
Faster Engagement Stronger pressure plates for better bite off the line
Better Pedal Feel Balanced response without going full race-car stiff
Reduced Rotational Mass Lightweight flywheels improve rev-matching and response
No Guesswork Direct-fit applications, no fabbing, no hassle

ACT Clutch Kits and Flywheels Fit the Cars Enthusiasts Build

ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.

Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.

What ACT Offers:

Performance Clutch Kits From HD street kits to twin-disc race systems
Clutch Discs 6-puck, full-face, rigid or sprung to match your style
Pressure Plates Heavy-duty options that increase clamp load without sacrificing control
Chromoly Lightweight Flywheels Quicker revs, smoother shifts, and less drivetrain stress
Complete Hardware Kits Everything you need for a proper install

Performance Tested. Driver Approved.

ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.

Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.

ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.

ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.

ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.