Our shop has experience in restoring or rebuilding any component (differentials, transmissions, shock absorbers, etc.) from any car, truck, or tractor.  Click the photos to enlarge. V12 Ferrari Heads. Cylinder head from a 57,200 in Enterprise V12 Diesel. Resurfacing a V12 Ferrari block. Reboring front 4-wheel drive housing from a John Deere tractor. Machining new Duesenberg in-line 8 DOHC Heads from raw casting using our new Rottler F67A, 4-Axis CNC Mill, designed specifically for blueprint machining on high-performance engine components. Shown here is a "Floater" racing rearend we straightened and add-on brackets were welded.