VDJ Clutch Upgrade

VDJ Clutch Upgrade

Just Auto’s clutches are consisting of high-quality engineered components designed to withstand the toughest conditions for off roaders all around the world. Our constantly evolving fleet of test vehicles allows us to design, develop and test products in house.

High quality temperature and load resistant release bearings have been designed specifically for use in all applications. The high quality GCR15 alloyed steel used in these release bearings is designed to prevent wear and hold increased operation temperature and force.  The Nitrite rubber seals along with the high temperature bearing grease keep any containments and moisture out.

All performance pressure plates have high quality QT450-10 Nodular ductile cast iron pressure plate castings. These high-quality castings are thermally resistant in order to prevent deformation or cracking in high thermal loading conditions. The burst resistance of these castings is much higher than grey cast iron that can be dangerous in high thermal loading conditions at high rpm.

Friction materials used on Just Auto’s clutch kits are high a high-quality matrix of resin, glass fibres and copper woven together to produce a highly burst resistant friction material with high fade resistance. Double drill patterns are used in some applications to increase burst strength further and increase reliability.

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.

Manufactures 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.

All pressure plate and flywheel bolts are specifically made as improvements over factory bolts. All bolts are 12.9 grade or equivalent and offered as replacement options or parts of kits where necessary.

Grey Cast Iron Versus Ductile Nodular

Grey Cast

Ductile Nodular

  • 300% increase in burst strengthMore even wear surface eliminating shudder
  • Improved heat dissipation to deliver higher torque
  • Much stronger around crank bolt holes on flywheel
  • Less flex


Direct Bolt up onto existing Flywheel – Engineered to replicate the OE physical specs which eliminates any engine balancing issues which may occur by modifying the geometry or rotational mass on these engines/drivelines.

Fitting specifications including tips and tricks


Optional Multi Drilled Flywheel

Please note this kit contains a Multi-drilled flywheel. Multi Drilled Flywheels have multiple pressure plate bolt patterns on them to suit different clutch kits. It is important to check which holes to use for your particular clutch kit before fitting the dowels/ installing the clutch.

Lay the pressure plate on the flywheel and rotate it until all dowel holes and bolt holes correspond with holes on the flywheel, ensuring pressure plate bolt holes are threaded and dowel holes are a straight bore.

Some kits will come with different size dowels. Ensure you press in the correct dowels for the cover supplied in the kit.

Note: Some Pressure Plates will only bolt up in one orientation.

VDJ Clutch Upgrade

Upgrade and Performance Experts

Just Autos Diesel Performance is based in Nambour, North of Brisbane on the Sunshine Coast in Queensland, Australia.

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