2BK40H Cast Iron 4 " Dual Groove Pulley 2 Belt B Section 5L with 1-3/8" Sheave Bushing

Cast Iron 4" 2 Groove Dual Belt B Section 5L Pulley w/ 1-3/8" Sheave Bushing Masterdrive dual groove 4" cast iron pulley/sheave with 1-3/8" H bushing for B section belt. This is a high quality 2 piece pulley that measures 4" 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, making it much more secure than your standard 1 piece pulley system. This listing includes an H bushing to fit on a 1-3/8" shaft. The bushing itself is made of solid steel and is precision machined to ensure a high quality and secure attachment to your motor/engine shaft. This pulley accepts B Section also known as 5L series belts. These belts are 5/8" wide. This pulley will work with A Section belts Also known as 4L ; however, they will sit farther down in the groove which will reduce your pulley size by 1/4" to 1/2" on average, depending on the size of pulley. Specifications: • Dual Groove Pulley • 1-3/8" Bushing Included • Accepts: B Section / 5L Section Belts • High Quality Cast Iron Construction • Solid Steel Bushing • For Use on 1-3/8" Shaft • Outside Diameter of Pulley: 4"