DETERMINING SERIES CODE

The below box inclusions can be identified by the series code.
0= Standard Kit
4= 400 Series Kit (Includes Concentric Slave Cylinder)
5= 500 Series Kit (Includes Flywheel)
6= 600 Series Kit (Includes Flywheel & CSC)

Xtreme Outback clutch part number guide showing series codes 0, 4, 5, and 6 for heavy duty 4x4 clutch kits
Diagram showing Xtreme Outback clutch part number sequence with series codes 0, 4, 5, and 6 for identifying kit component inclusions

Xtreme Outback clutch kits are designed to offer a complete solution. Whether you need a standard pressure plate and friction disc or a complete kit with flywheel, hydraulics and bolts, Xtreme Outback has your clutch needs covered. Below are some examples of what you can find in our kits, however for detailed examples, please visit the kit details on our catalogue and always make sure to check the specific inclusions in each kit as each vehicle may have different requirements.

Primary Clutch Kit Components

Xtreme Outback heavy duty pressure plate with increased clamping force for 4x4 torque capacity
Xtreme Outback heavy duty pressure plate component with enhanced clamping force for increased torque capacity in 4x4 applications

Pressure Plate

Xtreme Outback pressure plates are designed for increased clamping force to improve torque capacity. There are a variety of different options depending on the torque requirements of your vehicle.

Included In: All Clutch Kits
Xtreme Outback organic friction disc with spring damper hub for heavy duty 4x4 clutch systems
Xtreme Outback organic friction disc with spring damper hub and tan organic friction pads for smooth engagement

Friction Disc

Xtreme Outback offer a variety of different friction disc types with the most popular being the sprung organic and cushioned ceramic options. Check your specific vehicle listings for more information on the varieties available.

Included In: All Clutch Kits
Xtreme Outback heavy duty flywheel with 4140 Chromoly steel construction for 4x4 applications
Xtreme Outback heavy duty flywheel with 4140 Chromoly steel construction, ring gear, and precision mounting holes

Flywheel

Xtreme Outback flywheels come in a variety of materials depending on the specific vehicle application including 4140 Chromoly, Ductile Iron, Steel & Cast Iron. For further information on the flywheel for your vehicle, please contact us.

Included in: 500 and 600 Series Clutch Kits

Additional Clutch Kit Components

Xtreme Outback release bearing with sealed construction for heavy duty clutch diaphragm operation
Xtreme Outback release bearing (thrust bearing) with sealed construction for reliable clutch diaphragm operation

Release Bearing

Release Bearings (also referred to as thrust bearings) are a critical component in your clutch system and facilitate the operation of the clutch diaphragm. Xtreme Outback clutch kits will include a replacement thrust bearing where applicable.

Included In: All Clutch Kits Where Required
Xtreme Outback concentric slave cylinder with hydraulic line for heavy duty clutch actuation
Xtreme Outback concentric slave cylinder (CSC) with hydraulic line and protective boot for reliable clutch actuation

Concentric Slave Cylinder

Some vehicles will utlise a concentric slave cylinder rather than a traditional fork and release bearing setup. These hydraulic components are critical to the actuation of your clutch and Xtreme Outback recommend replacing this when replacing your clutch assembly.

Included In: 400 & 600 Series Clutch Kits
Xtreme Outback clutch alignment tool with splined shaft for friction disc alignment during installation
Xtreme Outback clutch alignment tool with splined shaft for easy friction disc alignment and transmission installation

Clutch Alignment Tool

These tools are used to align the friction disc spline and the spigot bearing/bush to make transmission installation as easy as possible and also reduce the risk of damage to the friction disc during transmission installation.

Included In: All Clutch Kits Where Required

Installation Tools and Accessories

Xtreme Outback flywheel bolts with 12-point heads for heavy duty OE quality installation
Xtreme Outback flywheel bolts with OE quality 12-point head design and threaded shafts for secure installation

Flywheel Bolts

Xtreme Outback flywheel and pressure plate bolts are designed to meet OE quality and are available in select clutch kits where required. These bolts will often be included in single-mass flywheel conversion kits where the bolt specifications may change from factory.

Included In: Specific Kits Where Required. Visit catalogue for more Information
Xtreme Outback spigot bearing with sealed construction for transmission input shaft location in 4x4 systems
Xtreme Outback spigot bearing (pilot bearing) with sealed ball bearing construction for transmission input shaft location

Spigot Bearing

Spigot Bearing or Bushes (also known as Pilot Bearings/Bushes) are critical and yet often overlooked components in the clutch system. These items locate the input shaft of the transmission to the crankshaft and failure of this component can cause a wide variety of clutch issues.

Included In: All Clutch Kits Where Required
Xtreme Outback high temperature spline grease tube for clutch disc lubrication and installation
Xtreme Outback high temperature spline grease for professional clutch disc lubrication and installation

Spline Grease

Lubrication of key clutch actuation components and the spline of the clutch disc is critical to the successful operation of your new clutch. Xtreme Outback include high temperature spline grease in all clutch kits to make installation as easy and efficient as possible.

Included In: All Clutch Kits