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SPICER Crown Wheel & Pinion set - Borg Warner M78 - 3.23 Ratio


Product Description

SPICER Crown Wheel & Pinion set - Borg Warner M78 - 3.23 Ratio


Dana Spicer is a company with over 110 years history in the automotive industry. Today Dana Holdings is a world leader in the supply of driveline products (axles, drive shafts, and transmissions). The company's customer base includes nearly every major vehicle manufacturer in the global automotive, commercial vehicle, and off-highway markets. 

This powerhouse has developed and manufactured products to help drive some of history's greatest vehicles. Everything from the Model T, 18-wheel rigs, giant earth-moving machines, every car on the NASCAR racing circuit, not to mention being an OE manufacturer for Aussie icons – the Holden Commodore and Ford Falcon.

For the Holden Commodore, Dana’s services included the design and development of seventy-nine components which make up the Dana-assembled independent rear suspension of one of Australia’s most favourite vehicles. This program for the suspension module was also mirrored in the Ford Falcon. 

Torqueline Garage is proud to be able to offer a truly OE option for our discerning customers – you cannot get any more genuine than that. Rather than being an "aftermarket" solution, you can rest assured that our Dana Spicer range was developed from the ground up to suit precisely your Holden or Ford setup. After all – they’re the ones that designed the original!

The absolute best "bang for buck" mod you can do to your car! Get faster acceleration without touching your engine!
These are brand new high quality items - don't be fooled by cheap inferior or secondhand gearsets that give troubles and have strength issues.


  • Designed and tested to meet original equipment specifications
  • Manufactured with a special grade of steel, machined and heat-treated to precision, so you can count on optimum set-up and mating of the gears
  • Superior Metallurgy: Ensures more consistent, higher quality product
  • Hobbed and Shaved Gearing: Provides optimal mating to minimize stress and maximize life
  • Precision Heat-treating and Shot-peening: Delivers consistent quality, strength, enhanced life and exceptional durability
  • 12 month warranty

Fitment Notes:

  • Can be used in the original single spinner or LSD diff housing.
  • Suitable only for 28 spline, 4 pinion Borg Warner 78 Series Differential.
  • Suitable for all VN VP VR VS V6 & V8 Holden Commodore and 6cyl & V8 EB-AU Ford Falcon
  • Due to the wide range of housings and gears across the M78 differential range, pinion head may need to be machined down for correct clearance. 
  • In some rare cases, diff housing may also require some grinding for clearance. 
  • This is the same for any performance LSD or diff gear installation for these diffs.
  • Non-Spigotted type pinion gear.
  • Please review the above information to ensure correct fitment & compatibility for your vehicle.

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