7.75" Single Groove A Section 4L Sheave with 5/8" (0.625") H-Style Split Taper Bushing - AK79H 8.25" The center bearing diameter where

The center bearing diameter where the axle goes threw measures 3/4" in diameter

25" Single Groove Belt A Section 4L Pulley w/ 1" Sheave Bushing

• Shaft Diameter: 5/8"

To release the tubing

This valve prevents back flow or tank pressure from getting back to the air compressor pump once the compressor is shut off

7.75" Single Groove A Section 4L Sheave with 5/8" (0.625") H-Style Split Taper Bushing - AK79H 8.25" The center bearing diameter whereCast Iron 7. 75" Single Groove Belt A Section 4L Pulley w 5 8" Sheave Bushing Masterdrive single groove 7. 75" cast iron pulley sheave with 5 8" H bushing for A section belt is a high quality 2 piece pulley that measures 7. 75" outside diameter and is designed to be used with an H style bushing. This bushing inserts into the center of the pulley and slides over the shaft, as you tighten down the bolts on the H bushing it will tighten down on the