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ACT HD/Perf Street Sprung Kit Toyota Crown | Hi-Lux 1967-1971 - T41-HDSS

If you're looking to upgrade your clutch setup, the ACT T41-HDSS Heavy Duty/Performance Street Sprung Kit is definitely worth considering. I’ve had my hands on this kit, and let me tell you, it’s a game changer. This isn’t just any clutch; it’s built with ACT’s most popular heavy-duty pressure plate paired with their top street disc. What does that mean? Well, for starters, you get an exclusive diaphragm design that ramps up the clamp load while minimizing deflection. This translates to a longer clutch life, which is something we all appreciate, right? Plus, each diaphragm goes through a rigorous four-stage heat-treating process, ensuring it can handle whatever you throw at it.The pressure plate itself is no slouch either. It features precision cover stampings that enhance rigidity and consistency, so you know it’s going to perform when you need it most. The performance street disc is crafted from premium organic materials with a high copper content, which really helps with heat transfer. That steel-backed lining? It adds serious burst strength, making this setup durable enough for both daily driving and spirited weekend runs.One of the standout features is the reduced marcel on the discs, which means quicker shifts—perfect for those who love to get in and out of gears with precision. And whether you’re hitting the streets or taking it to the track, this clutch kit is engineered to handle both with ease.For anyone wondering about the installation process, you can find detailed instructions here. Here’s what you can expect:

  • Light to moderate pedal effort, giving you a smooth and positive engagement without overwhelming your leg.
  • Longer friction life thanks to that clever diaphragm design, so you won’t be swapping clutches every season.
  • Carefully engineered and balanced for reliability, even at high RPMs.
  • Perfect for both street use and the occasional race day—this kit can handle it all.
Specifications:
  • Clutch Master Cylinder Included: No
  • Grease Included: Yes
  • Grade Type: Performance
  • Pilot Bushing Included: No
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Clutch Disc Diameter: 8.8 in (224 mm)
  • Disc Material: Organic
  • Input Spline Quantity: 21
  • Input Shaft Diameter: 1.125 in
  • Alignment Tool Included: Yes
  • Disc Type: Sprung
  • Pressure Plate Bolts Included: No
  • Clutch Slave Cylinder Included: No
  • Flywheel Bolts Included: No
  • Pilot Bearing Included: Yes
  • Product Weight: 14.4 lbs
  • Torque Capacity: 275 ft/lbs
  • Torque Capacity Over OE: 0.48
So if you’re serious about performance and durability, the ACT T41-HDSS kit is definitely worth a look. It's built for those who demand more from their ride, and trust me, you’ll feel the difference on the road—or track.

Other Part Numbers:
ACT #actT41-HDSS

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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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.

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