Specialist Ford 9-inch conversions, BorgWarner 31-spline packages, TUFF TRAC helical LSDs, and custom axle shortening. Precision engineered for street, drag, and high-horsepower muscle cars across Brisbane, Logan, and Ipswich.
Whether you are building a Holden Commodore, Ford Falcon, Torana, or custom restomod, TuffDiffs provides tailored driveline packages built to your exact track width, ratio, and horsepower needs.
Complete custom 9-inch third members assembled with genuine heavy-duty components.
Direct bolt-in BorgWarner and 9-inch conversions for classic Holden streeters.
Precision machine shop fabrication for custom widths and replacement axles.
Workshop Location: Our main workshop is located on the Gold Coast, just 45 minutes south of Brisbane down the M1 motorway.
Fast Freight & Local Drop-Off: Customers across Brisbane (Northside, Southside, Logan, Ipswich, and Moreton Bay) can drop off housings directly at our workshop, or take advantage of our daily insured door-to-door courier freight across South East Queensland.
Turnaround Times: We offer fast turnaround on diff rebuilds, centre exchanges, and custom axle shortening.
Speak directly with builder Craig McKeown for expert advice on ratios, splines, and setup options for your vehicle.