3.5″ Chromoly Shafts with 1350 Series “Gold” Cryo treated Solid U-joints are built under the most Stringent Tolerances in the industry. Tubing is Hydraulically Straightened to .005″ total runout at the center of the tube. Tube yokes are welded to within .006″ runout on each end. The shafts are Electronically Computer Balanced to less than 1/8 oz. Inch, as an assembly, assuring smooth operation at the Big end as well out of the hole.
Critical Speed is calculated on each shaft to insure your Safety and Ultimate Shaft longevity. The shafts are SFI Certifiable, proven to withstand 2800ft/lbs. of Torque by an independent testing facility. The Trans slip yoke is priced separately.
The shafts are recommended for Drag Race cars over 1200 Horse Power, they are the strongest steel shaft available with heavy duty Chromoly tube yokes. You may want to consider a Strange Chromoly Tran slip yoke and a Spicer U-joint upgrade.