Pontiac GTO / Holden VT-VZ Borg Warner Dana M80 31 Spline TorqueWorm Upgrade Kit

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MPN: PCE655.1001 UPC: 840136559948
Available Extended Warranty Eligible
US $1,594.80

Build to Order


Part Number:PCE655.1001
Part Type:Axle Upgrade Combos
Axles Included:Yes
Axle Type:Stubs
Outer Axle Splines:31
Axle Length (in):Short & Long
Axle Material:4340 steel
Wheel Studs Included:No
Quantity:Sold as a kit.


  • Upgrade from standard CV stubs.
  • Forged 4340 31 Spline - to suite M80 Design
  • Takes standard 6 bolts 108mm CV and has a built-in ABS ring.
  • Includes Speedmaster TorqueWorm LSD & Heavy Duty steel screw adjusters.

Brand Information

Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed and manufactured in its workshops. The ultimate token of precision, Speedmaster is the world’s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters.

In 1979, the company was founded with Pete’s Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which en

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

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