GM 4L80-E Billet Adjustable Low Band Servo Piston Kit 28 Spline Daytona Pinion Bearings:PCE207

28 Spline Daytona Pinion Bearings:PCE207

All kits come complete with 4130 heat-treated

which is molded over and vulcanized to a rigid steel frame

Speedmaster alternator brackets are designed to mount the alternator in several positions depending on your application

and 3-piece oil rings with stainless steel expanders that provide accurate tension

GM 4L80-E Billet Adjustable Low Band Servo Piston Kit 28 Spline Daytona Pinion Bearings:PCE207The 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.