4L80E 6-Pinion Planetary Sets (1997 & Later 2.75 1st/1.57 2nd Gear Ratios)
With a 6-pinion rear and 5-pinion front planetary, as well as heavy-duty CNC-machined billetconstruction, these planetary sets increase load capacity by as much as 17 percent, thereby givingGM performance enthusiasts more drivetrain durability in the long run. In addition, the lower 1stand 2nd gear ratios significantly increase take-off power for better all-around performance andimprove the rpm drop of the engine between gears. Simply put, the TCI® 4L80E 6-PinionPlanetary Sets will unleash the performance potential of any GM 4L80E-equipped street or dragracing application.
A perfect combination of durability and street/strip performance, these planetary sets are idealfor any GM performance enthusiast looking to improve acceleration right off the line.