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Looking to upgrade the clutch in your classic HOLDEN H SERIES HJ with the 8 cylinder GMH 253 engine? Look no further! Introducing the modular UniClutch system, the ultimate solution for all your clutch needs. Whether you're a car enthusiast or simply want to enhance the performance of your beloved vehicle, this upgrade is a game-changer.
The UniClutch system is designed to meet the specific requirements of the October 1974 to July 1976 HOLDEN H SERIES HJ models equipped with the powerful 8 cylinder GMH 253 (Red) engine. Its advanced modular design allows for easy customization, ensuring a perfect fit and optimal performance every time.
Upgrade your clutch system and experience improved power transfer, smoother gear shifts, and enhanced overall driving performance. Don't miss out on this opportunity to take your HOLDEN H SERIES HJ to the next level.
With the UniClutch system's unrivaled range and quality craftsmanship, you can trust that your vehicle is equipped with nothing but the best. Upgrade your clutch now and experience the difference for yourself.
OPTIONS FOR A HOLDEN H SERIES 4.2 GMH 253 (Red)
+80%
Similar
+80%
Similar
The UniClutch UC1024100 is a clutch that offers similar actuation effort to OEM clutches. It provides approximately 80 percent more torque capacity than OEM clutches, making it a great option for upgrading a HOLDEN H SERIES vehicle. The clutch is designed with several features to enhance performance and durability. It is better than OE with no compromise, thanks to its twin disc, dual core design that powers the torque capacity gains. The use of billet steel components makes the clutch up to three times stronger than standard clutches. One notable feature is the Silent Shift Technology, which improves shift quality and speed while reducing chatter. The Integrated Flywheel Friction Surface eliminates the need for flywheel machining, saving both time and money during installation. The clutch also incorporates Radial Dampening Technology to ensure torque spike dampening for smoother operation. Lastly, the Comfort Pedal Tune makes it perfect for city driving. Overall, the UniClutch UC1024100 offers superior performance and durability for those looking to upgrade their HOLDEN H SERIES vehicle's clutch system.
+100%
Similar
+100%
Similar
The UniClutch Sport UC1024200 is a high-performance clutch designed to enhance the driving experience for Holden H Series enthusiasts. With similar actuation effort to OEM, this clutch offers approximately 100 percent more torque capacity. Its twin disc design improves torque handling and power delivery, while the sport pedal tune provides a tailored performance experience. The dual drive forged internals offer exceptional strength for high torque applications, and the high clamp billet cover assembly ensures durability and reduces cover flex. Additionally, the forged dual drive internals maximize clutch durability, and the silent shift technology minimizes noise during gear changes. The integrated flywheel friction surface simplifies installation and maintenance, and reduced clutch wear results in a longer-lasting and cost-effective solution. Overall, the UniClutch Sport UC1024200 is a reliable choice for Holden H Series drivers who want to upgrade their clutch performance.
+200%
Similar
+200%
Similar
The UniClutch Track UC1021200 is a high-performance clutch designed for upgrading HOLDEN H SERIES vehicles. 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 track-focused driving.
The clutch is equipped with market-leading technology to enhance performance on the track. The low MOI cover assembly reduces rotational inertia, enabling rapid shifts. The quad drive forged internals provide exceptional strength to meet the demands of track driving. The track pedal tune ensures precise control and reduces driver fatigue during extended track sessions.
The UniClutch Track UC1021200 features a cerametallic track-focused friction material that is optimized for racing. This ensures reliable performance in high-stress situations. Additionally, the clutch can seamlessly transition between track and street driving, thanks to its sprung clutch disc.
Installation of the UniClutch is versatile, as it can be used with both OEM flywheels and customized low inertia flex plates, similar to those used in Formula One. This flexibility makes it suitable for engine and gearbox conversions commonly found in various motorsports such as rally, circuit racing, drift, and track day cars.
Overall, the UniClutch Track UC1021200 offers a combination of high torque handling, precise control, and durability, making it an excellent choice for those looking to upgrade their HOLDEN H SERIES vehicles for track-focused driving or motorsport applications.
Torque Capacity
Approximately 80 percent more torque capacity than OEM.
The UniClutch UC1024100 is a clutch that offers similar actuation effort to OEM clutches. It provides approximately 80 percent more torque capacity than OEM clutches, making it a great option for upgrading a HOLDEN H SERIES vehicle. The clutch is designed with several features to enhance performance and durability. It is better than OE with no compromise, thanks to its twin disc, dual core design that powers the torque capacity gains. The use of billet steel components makes the clutch up to three times stronger than standard clutches. One notable feature is the Silent Shift Technology, which improves shift quality and speed while reducing chatter. The Integrated Flywheel Friction Surface eliminates the need for flywheel machining, saving both time and money during installation. The clutch also incorporates Radial Dampening Technology to ensure torque spike dampening for smoother operation. Lastly, the Comfort Pedal Tune makes it perfect for city driving. Overall, the UniClutch UC1024100 offers superior performance and durability for those looking to upgrade their HOLDEN H SERIES vehicle's clutch system.
The UniClutch UC1024100 is a clutch that offers similar actuation effort to OEM clutches. It provides approximately 80 percent more torque capacity than OEM clutches, making it a great option for upgrading a HOLDEN H SERIES vehicle. The clutch is designed with several features to enhance performance and durability. It is better than OE with no comp...
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The UniClutch Sport UC1024200 is a high-performance clutch designed to enhance the driving experience for Holden H Series enthusiasts. With similar actuation effort to OEM, this clutch offers approximately 100 percent more torque capacity. Its twin disc design improves torque handling and power delivery, while the sport pedal tune provides a tailored performance experience. The dual drive forged internals offer exceptional strength for high torque applications, and the high clamp billet cover assembly ensures durability and reduces cover flex. Additionally, the forged dual drive internals maximize clutch durability, and the silent shift technology minimizes noise during gear changes. The integrated flywheel friction surface simplifies installation and maintenance, and reduced clutch wear results in a longer-lasting and cost-effective solution. Overall, the UniClutch Sport UC1024200 is a reliable choice for Holden H Series drivers who want to upgrade their clutch performance.
The UniClutch Sport UC1024200 is a high-performance clutch designed to enhance the driving experience for Holden H Series enthusiasts. With similar actuation effort to OEM, this clutch offers approximately 100 percent more torque capacity. Its twin disc design improves torque handling and power delivery, while the sport pedal tune provides a tailored performance experience. The dual drive forged i...
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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 UniClutch Cores in a HOLDEN H SERIES vehicle. This fitment kit is designed to meet high engineering 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 machining the factory flywheel. The fitment kit is specifically designed to enable the installation of any UniClutch Cores into your vehicle.
Important Note
Use when OEM Transmission Spline is 10T x 27.5mm, 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
25370
Enter this ID into the Shop page “Find Vehicle” search field as a shortcut to search for the following - Production Date: October 1974 to July 1976, Make and Model: HOLDEN H SERIES, Series: 4.2, Engine: GMH 253 (Red).
