Harrop

Harrop - Drive Line

Designed to endure power

Detroit TrueTrac

Harrop Detroit TrueTrac

The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand.

It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well.

Proven design and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance - Just Traction.

Click here for a Technical article regarding the Detroit TrueTrac


Harrop diff covers enhance standard diffs when extended power loads lead to over heating and fatigue.

Harrop Enduro diff covers

  • Provide added oil capacity ensuring lower operating temperatures.
  • An economical solution to reduce wear and tear.
  • Utilise the standard rear sub frame mount.
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Harrop Sport diff covers

  • Offer increased oil capacity together with a heavy duty mounting bracket and urethane bushes for superior strength and stability.
  • Reduces the incidence of rear cross member movement and axle tramp.
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Harrop Full floating rear hubs

  • Vehicles that are subjected to severe cornering loads and large wheel offsets.
  • Harrop specialise in engineering custom kits for any combination of rear end systems.
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Harrop 9 inch live rear

  • Developed for V8 Supercars and available in either aluminium or magnesium combining light weight with strength and durability.
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Harrop 9 inch IRS assembly

  • Legendary strength and reliability of the Ford 9“ range of components packaged into the original equiptment IRS differential cradle.
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Harrop 12 Bolt Holden IRS Differential

  • Designed to incorperate the latest technology allowing drivers of the future to intergrate performance with traction control.
  • Compatible with most aftermarket 12 bolt diff components.
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Harrop Quick-Shift kit

  • Shift with precision and confidence.
  • Designed to enhance the shift feel of the T56 6 spedd manual transmission.
  • This upgrade reduces both gate and throw movement without shortening the gear lever to offer that positive racing feel in every gear change.
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