3" Double Groove B Section 5L Sheave with 7/8" (0.875") Keyed Bore - 2BK28 Gas Air Compressor Throttle Control Cables & Valves there is an arrow on

there is an arrow on the side that shows which way the air needs to flow

As you tighten down the bolts on the H bushing

This wheel is compatible on a vertical

• HP at 208-240V: 15 HP

3" Double Groove B Section 5L Sheave with 7/8" (0.875") Keyed Bore - 2BK28 Gas Air Compressor Throttle Control Cables & Valves there is an arrow onCast Iron 3" Dual Groove Pulley for V Style Belt B Section 5L fits 7 8" Shaft Masterdrive dual groove 3" bored to size pulley for B section or 5L belts. This is a high quality cast iron pulley, and is designed and bored to fit a 7 8" keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys that are similar to this only have one set screw which makes them less reliable in many working conditions. This pulley is