2 Door Flat Glass Power Window Kit w/ Switches even under the toughest of

even under the toughest of circumstances

Heat-treated internal parts

Extend the life of your C4 output shaft by reducing shaft whip with 6910CM bearing

Speedmaster cast iron brake calipers are designed to fit your stock vehicle without any modifications

2 Door Flat Glass Power Window Kit w/ Switches even under the toughest ofSpeedmaster power window conversion kits allow you to convert your old flat glass windows into a completely new power system. Speedmaster revolutionary Super Glide window design ensures an easy installation and smooth operation. Each kit comes with high torque motor, lower glass channel, GM switches, complete wire harness with switch, all of which ensure quick, quiet, and dependable operation for the life of your vehicle.