GM 4L80-E Billet Adjustable Low Band Servo Piston Kit Choose long or short styles

Choose long or short styles in a natural or shiny polished finish

Constructed from a cellulose/nitrile material that features excellent tensile strength and superior blowout resistance

These canisters are made from high-quality materials to ensure optimum performance

and 3/8 in

that's 50 percent less backlash than other competitive cables on the market

GM 4L80-E Billet Adjustable Low Band Servo Piston Kit Choose long or short stylesThe purpose of the servo piston is to apply force to the rear band, controlling the band's grip on the transmission drum during gear changes. Adjusting the rear band is crucial for optimizing shift quality and transmission performance. This adjustable servo enables you to fine tune the rear band's tension with ease, even while the transmission is still installed in the vehicle.