3.75" Double Groove B Section 5L Sheave with 3/4" (0.750") H-Style Split Taper Bushing - 2BK36H 12V This valve has a 1/8"

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

The bushing is made of solid steel and precision machined to ensure high quality and secure attachment to your motor/engine shaft

it’s designed to keep up with continuous use in demanding environments like workshops

• Prevents backflow and tank pressure from reaching the pump after shutdown

• Length: 70" outside diameter

3.75" Double Groove B Section 5L Sheave with 3/4" (0.750") H-Style Split Taper Bushing - 2BK36H 12V This valve has a 1/8"Cast 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.