Just Autos proudly supplies and installs NPC clutch systems—an Australian-owned manufacturer known for delivering high-quality solutions suited to high-performance and heavy-duty 4×4 applications.
NPC clutch systems begin with premium-grade clutch plates and pressure plates, which are then upgraded with increased clamp pressure (typically ranging from 20–45% over standard specs, depending on the application). When combined with a high-quality full-face clutch disc and optional flywheel upgrade, these systems support smoother engagement and—in many cases—maintain factory pedal feel.
This makes NPC clutches ideal for vehicles used in touring, towing, off-road adventures, and everyday driving.
While many Toyota diesel owners focus first on power upgrades, the clutch is just as critical—especially when tuning or towing. At Just Autos, we offer a range of heavy-duty and performance clutch kits suited to modified diesel engines.
Performance clutch systems are built with high-quality materials designed to handle increased torque and temperature demands more effectively than many factory options. For vehicles that have undergone ECU remapping or performance upgrades, an aftermarket clutch can support better drivability and reliability under load.
These clutches are engineered to provide improved grip and power transmission, with many drivers reporting a more consistent and responsive driving experience.
Want to know which clutch is right for your setup? Speak with our team today—we’ll help match the best solution for your specific Toyota model and use case.
Just Autos clutch kits for VDJ models feature components engineered for strength, durability, and performance in demanding off-road environments. Each clutch system is built using high-grade materials selected for their temperature and load-handling capabilities.
The release bearings are manufactured from GCR15 alloyed steel, chosen for its resistance to wear and ability to operate at higher temperatures. These bearings also incorporate nitrile rubber seals and high-temperature bearing grease to help protect against contaminants and moisture.
The friction material used in our clutch discs combines a matrix of resin, glass fibres, and copper, producing a highly durable and fade-resistant material. In certain applications, double drill patterns are used to enhance structural strength and further improve reliability under load.
Our performance pressure plates for VDJ applications feature high-grade QT450-10 nodular ductile cast iron castings. This material is known for its thermal resistance, helping to minimise deformation under high heat conditions. Compared to standard grey cast iron, these pressure plate castings offer increased structural integrity, particularly during prolonged high RPM operation, where heat and pressure loads are more intense.
Replacement flywheels are made from Nodular QT450-10 cast Iron with heat treated ring gears or in some cases 4140 Chromoly with a one-piece ring gear. Both materials provide a high strength wear resistant fiction surface that can be re-surfaced and re-used multiple times. Where applicable different flywheel masses may be offered to cater for different driving conditions.
Toyota’s own brand of high-quality pilot bearings and bushes are supplied to ensure that nothing is missed when fitting a new kit. Bushes are made from sintered porous oil impregnated materials where pilot bearings used GCR15 alloy steel and NBR seals to keep contamination out for a long life.
Our pressure plate and flywheel bolts are precision-engineered components designed to meet or exceed the performance of standard fasteners. Manufactured to 12.9 grade tensile strength specifications (or equivalent), these bolts offer superior clamping force and reliability under high-stress conditions. Available as standalone replacements or integrated within select clutch upgrade kits.
Toyota’s diesel engines are well-regarded for their reliability and durability—particularly when towing, off-roading, or transporting heavy loads. However, some drivers notice delayed throttle response or reduced performance under load or during urban driving.
At Just Autos, our diesel tuning services aim to help address these concerns by optimising engine parameters for more responsive and consistent performance. While results may vary based on driving style and conditions, our custom tuning solutions are tailored to your specific vehicle to support drivability and torque delivery where you need it most.
NPC performance warrants most of their clutches for 1 year or 20,000km
NPC clutches have a fully catered factory which can custom build any clutch required for your application. NPC has already designed clutches for all the light vehicle 4×4 market and are ever increasing their range
No, however with the increase in torque usually provided by a Just Autos custom ECU remap and performance package it is advised that the clutch be changed to suit the torque increase. Some brands of clutches will suit the increase but are on the limit of what they can handle, if you have any questions regarding if your clutch will suit your goals for the car please feel free to give on of our high qualified staff members
As Australia’s premier Toyota common rail and turbodiesel experts, vehicle owners across Queensland, interstate and even internationally bring their high-performance diesel vehicles exclusively to our workshop.
Our entire team, headed by Matt Smith, is committed to meeting those needs and providing the best service in the diesel performance tuning and the automotive mechanical industry. As a result, a high percentage of our local, interstate and international business is from repeat customers and referrals.
Own a Toyota diesel? Get in touch with our team for quality performance upgrades and great customer service.
Call us or fill out our enquiry form to get started on your Toyota’s performance transformation.
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