B&M is now offering a light truck/towing/RV version of the famous Shift Improver Kit! These new kits offer a nice firm shift and eliminate between shift â??overlapâ?? and â??flairâ?? but are not harsh. These kits improve the life of most any automatic transmission by reducing clutch slippage. This kit includes the necessary components to improve the shifting performance of your automatic transmission. Transmission removal not required. Eliminates sluggish shifts and overlap to give you firm, positive shifts Improves transmission life. Easy to follow step-by-step instructions are provided.