Shift Improver Kit Automatic Transmission Shift Kit

The B&M Shift Improver Kit the easiest way to get the performance you've always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It's our least expensive and simplest to install kit.

Shift Improver Kit Automatic Transmission Shift Kit; Incl. Gaskets/Seals/Drill Bit/Fluid Separators;