7.75" Single Groove A Section 4L Sheave with 5/8" (0.625") H-Style Split Taper Bushing - AK79H 8.25" • Shaft Diameter: 5/8"

• Shaft Diameter: 5/8"

• Outside Diameter of Pulley: 4

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

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

7.75" Single Groove A Section 4L Sheave with 5/8" (0.625") H-Style Split Taper Bushing - AK79H 8.25" • Shaft Diameter: 5/8"Cast 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