GM Powerglide Automatic Transmission Billet 1st Gear Servo Piston Kit [Black] Speedmaster has already done the

Speedmaster has already done the work for you

These Speedmaster water pump pulley shim kits are designed to provide proper drive belt alignment with your water pump

This beading provides a dry

straight ball-milled

Kits include hardened flat washers for uniform torque and to prevent galling on aluminum intake manifolds

GM Powerglide Automatic Transmission Billet 1st Gear Servo Piston Kit [Black] Speedmaster has already done theSpeedmaster servo kits offer increased apply area over the OEM servo for more holding force between shifts. They are manufactured from anodized aluminum. Their improved seal design will conserve pump volume.