4Terrain Heavy Duty Clutch Kit Toyota HiLux LN61 LN130 LN131 2.8L (3L) 89-98

4Terrain Heavy Duty Clutch Kit Toyota HiLux LN61 LN130 LN131 2.8L (3L) 89-98


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4Terrain Heavy Duty Clutch Kit


Dimensions: 235mm x 21T x 29mm

4×4 systems need a higher torque capacity while retaining good pedal feel with fine modulation control. These characteristics inevitably increase heat which reduces service life. So the ideal 4×4 clutch system must also
have improved heat dissipation. 4Terrain cover assemblies are in themselves high clamp load covers providing increased clamping force as compared to standard product.

Spheroidal Graphite Castings: Approximately 300% stronger than a standard casting this material (sometimes referred to as an “Anti Burst” casting) not only increases strength by approx 3 times, it also improves heat dispersion.
This is especially necessary in 4WD applications where constant use of the clutch is highly likely and therefore high operating temperatures can be expected.

Comfortable Pedal: Importantly the 4Terrain system is designed to benefit you the driver. The unique combination of features delivers a high torque capacity clutch while also providing very comfortable pedal efforts, progressive modulation and good pedal feel.

Balanced Covers: To insure that the clutch system performs at maximum efficiency and that no unwanted vibration is generated as the cover spins, all 4Terrain cover assemblies undergo a 2 stage balancing process. Prior to
assembly the pressure plate is independently balanced. Then after final assembly, the entire cover is re-balanced. However, the cover assembly is only half the equation. It is only when combined with our 4Terrain clutch plate, a segmented clutch plate design which reduces the surface area upon which this force is distributed, that the full increase in Torque transmission capability is unleashed.

Segmented Clutch Plate Design: One side of the clutch plate incorporates a series of pressed organic segments specifically formulated in an Aramide compound, bonded to a H10 steel backing plate. Each Aramide segment is precision formed and bonded to ensure consistency in terms of surface area and weight distribution. The friction material itself was selected for its:

Long Life: 4Terrain Aramide material displays wear characteristic which are 50% lower than conventional material. This ensures long life and reduces collateral material contamination.

Less Fade: Fade is a term used to describe the drop in performance experienced in a clutch as the unit becomes heat affected. In serious 4WD applications high temperatures and therefore fade is common place. 4Terrain Aramide material reduces heat induced fade by almost 50% This feature combined with 4Terrains spheroidal graphite clutch pressure plate further improves the ability of 4Terrain to dissipate heat allowing the clutch to run cooler for longer.

Smooth Engagement, fine modulation control, extended service life, less fade,
increased torque capacity are all benefits of the unique 4Terrain clutch plate design.


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