GM Powerglide Automatic Transmission Billet 1st Gear Servo Piston Kit [Black] These Speedmaster water pump pulley

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

They also help to insulate the carburetor from engine heat and provide clearance for linkages

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

With no air horn

and are available in chrome or cast aluminum

GM Powerglide Automatic Transmission Billet 1st Gear Servo Piston Kit [Black] These Speedmaster water pump pulleySpeedmaster 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.