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Are you looking to enhance the performance of your October 1977 to April 1980 HOLDEN H SERIES HZ fitted with the 8 cylinder 41X engine? If so, upgrading the clutch system can make a significant difference. Introducing the modular UniClutch system, a cutting-edge solution that offers the ultimate range to suit even the most demanding requirements.
With its advanced design and precision engineering, the UniClutch system is specifically tailored to deliver improved performance and reliability for your beloved HOLDEN H SERIES HZ. Whether you're a performance enthusiast or simply want a smoother driving experience, this upgrade can provide the confidence and control you desire.
Gone are the days of compromising between clutch feel and performance. With the UniClutch system, you can expect seamless engagement, enhanced power transfer, and increased durability. Its modular design ensures easy installation, allowing for hassle-free clutch upgrades.
Unleash the true potential of your HOLDEN H SERIES HZ with the UniClutch system. Experience the driving pleasure you've always dreamed of, tailored to the unique specifications of your vehicle. Upgrade your clutch today and take your driving experience to a new level.
OPTIONS FOR A HOLDEN H SERIES 4.2 41X
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The UniClutch UC1024100 is a high-performance clutch designed to upgrade the HOLDEN H SERIES. With similar actuation effort to OEM clutches, it offers approximately 80 percent more torque capacity. This is made possible by its twin disc, dual core power system and billet steel components, which provide up to three times stronger construction than OE clutches. The clutch also features Silent Shift Technology, which improves shift quality and speed while reducing chatter. Additionally, it has an integrated flywheel friction surface, eliminating the need for flywheel machining and saving time and money. The UniClutch UC1024100 also includes radial dampening technology, ensuring torque spike dampening for a smooth driving experience. Finally, its comfort pedal tune makes it ideal for city driving. Overall, this clutch offers superior performance without compromising on quality, making it an excellent choice for those looking to upgrade their HOLDEN H SERIES.
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UniClutch Sport UC1024200 is a high-performance clutch designed for upgrading HOLDEN H SERIES vehicles. It boasts similar actuation effort to OEM clutches, making it suitable for daily driving. With approximately 100 percent more torque capacity than OEM clutches, the UC1024200 is perfect for enthusiasts seeking enhanced torque handling and power delivery.
The twin disc design of the UC1024200 ensures superior torque handling and power delivery, while the Sport Pedal Tune offers a tailored performance experience. The clutch is equipped with dual drive forged internals, providing exceptional strength for high torque applications.
The High Clamp Billet Cover Assembly ensures durability and reduces cover flex, resulting in superior disengagement and eliminating dragging. The forged dual drive internals maximize clutch durability, ensuring a longer-lasting and cost-effective solution.
In addition, the UC1024200 features Silent Shift Technology, which minimizes noise during gear changes. The integrated flywheel friction surface simplifies installation and maintenance.
Overall, the UniClutch Sport UC1024200 is a top-of-the-line clutch that offers significant upgrades over OEM options. It provides increased torque capacity, enhanced power delivery, and improved durability. Whether you're a daily driver or an enthusiast seeking high-performance upgrades, the UC1024200 is the perfect choice.
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+200%
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The UniClutch Track UC1021200 is a high-performance clutch system designed to upgrade the HOLDEN H SERIES. It offers similar actuation effort to the OEM clutch but provides approximately 200 percent more torque capacity. This makes it ideal for high-powered applications and engine and gearbox conversions commonly found in motorsports like rally, circuit racing, drift, and track day cars.
The UC1021200 is equipped with advanced features that make it track-focused and technologically superior. Its low MOI cover assembly reduces rotational inertia, allowing for rapid shifts. The quad drive forged internals provide exceptional strength to meet the demands of the track. Additionally, the clutch has a track pedal tune that offers precise control and reduces driver fatigue during extended track sessions.
The UC1021200 also features a cerametallic track-focused friction material optimized for racing. This ensures optimal performance in high-performance situations. The clutch's high torque handling capabilities make it suitable for powerful applications.
One of the notable advantages of the UniClutch Track UC1021200 is its versatility. It can be installed on an OEM flywheel or customized low inertia flex plates similar to those used in Formula One. This sealed design allows for seamless transition between track and street driving.
Overall, the UniClutch Track UC1021200 is a top-of-the-line clutch system that offers impressive performance and durability. With its track-focused features and high torque handling capabilities, it is an excellent choice for upgrading the HOLDEN H SERIES and other performance vehicles.
Torque Capacity
Approximately 80 percent more torque capacity than OEM.
The UniClutch UC1024100 is a high-performance clutch designed to upgrade the HOLDEN H SERIES. With similar actuation effort to OEM clutches, it offers approximately 80 percent more torque capacity. This is made possible by its twin disc, dual core power system and billet steel components, which provide up to three times stronger construction than OE clutches. The clutch also features Silent Shift Technology, which improves shift quality and speed while reducing chatter. Additionally, it has an integrated flywheel friction surface, eliminating the need for flywheel machining and saving time and money. The UniClutch UC1024100 also includes radial dampening technology, ensuring torque spike dampening for a smooth driving experience. Finally, its comfort pedal tune makes it ideal for city driving. Overall, this clutch offers superior performance without compromising on quality, making it an excellent choice for those looking to upgrade their HOLDEN H SERIES.
The UniClutch UC1024100 is a high-performance clutch designed to upgrade the HOLDEN H SERIES. With similar actuation effort to OEM clutches, it offers approximately 80 percent more torque capacity. This is made possible by its twin disc, dual core power system and billet steel components, which provide up to three times stronger construction than O...
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UniClutch Sport UC1024200 is a high-performance clutch designed for upgrading HOLDEN H SERIES vehicles. It boasts similar actuation effort to OEM clutches, making it suitable for daily driving. With approximately 100 percent more torque capacity than OEM clutches, the UC1024200 is perfect for enthusiasts seeking enhanced torque handling and power delivery.
The twin disc design of the UC1024200 ensures superior torque handling and power delivery, while the Sport Pedal Tune offers a tailored performance experience. The clutch is equipped with dual drive forged internals, providing exceptional strength for high torque applications.
The High Clamp Billet Cover Assembly ensures durability and reduces cover flex, resulting in superior disengagement and eliminating dragging. The forged dual drive internals maximize clutch durability, ensuring a longer-lasting and cost-effective solution.
In addition, the UC1024200 features Silent Shift Technology, which minimizes noise during gear changes. The integrated flywheel friction surface simplifies installation and maintenance.
Overall, the UniClutch Sport UC1024200 is a top-of-the-line clutch that offers significant upgrades over OEM options. It provides increased torque capacity, enhanced power delivery, and improved durability. Whether you're a daily driver or an enthusiast seeking high-performance upgrades, the UC1024200 is the perfect choice.
UniClutch Sport UC1024200 is a high-performance clutch designed for upgrading HOLDEN H SERIES vehicles. It boasts similar actuation effort to OEM clutches, making it suitable for daily driving. With approximately 100 percent more torque capacity than OEM clutches, the UC1024200 is perfect for enthusiasts seeking enhanced torque handling and power delivery.
The twin disc design of the UC1024200 en...
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Torque Capacity
Approximately 100 percent more torque capacity than OEM.
Pedal Effort
Similar actuation effort to OEM. Pedal release may be higher.
Pedal Effort
Similar actuation effort to OEM. Pedal release may be higher.
FITMENT KIT
The UniClutch fitment kit UCFK10311-A-001 is a necessary component for installing all UniClutch Cores (UC1024100, UC1024200, UC1021200) onto HOLDEN H SERIES vehicles. This fitment kit has been engineered to meet high standards and features a patented flex-fit installation system. Unlike traditional clutches, the Twin Disc sealed UniClutch can be installed much more quickly as it does not require the customer's factory flywheel to be machined. The UniClutch Fitment kit is specifically designed to enable the installation of any UniClutch Core onto a vehicle.
Important Note
Use when OEM Transmission Spline is 10T x 29mm, and OEM Cover Assembly Boltup PCD is 295.28mm, with Dowel PCD 295.275mm. Alternate US/CA part UCFK10313-U-01 uses Dowel Pos E | Suits OE Flywheel | If unsure contact us to confirm your flywheel and transmission details
VEHICLE ID
113419
Enter this ID into the Shop page “Find Vehicle” search field as a shortcut to search for the following - Production Date: October 1977 to April 1980, Make and Model: HOLDEN H SERIES, Series: 4.2, Engine: 41X.
