3.75" Double Groove B Section 5L Sheave with 3/4" (0.750") H-Style Split Taper Bushing - 2BK36H 12V • Length: 70" outside diameter

• Length: 70" outside diameter

3/8" in diameter) for unloader line

This valve has a 1/8" female NPT port in the side which usually goes to an unloader valve on your pressure switch or compressor pump

This valve's preset pressure can be adjusted

3.75" Double Groove B Section 5L Sheave with 3/4" (0.750") H-Style Split Taper Bushing - 2BK36H 12V • Length: 70" outside diameterCast Iron 3. 75" Dual Groove Belt B Section 5L Pulley w 3 4" Sheave Bushing Masterdrive dual groove 3. 75" cast iron pulley sheave with 3 4" H bushing for B section belt is a high quality 2 piece pulley that measures 3. 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 shaft.