Masterdrive dual groove 4″ cast iron pulley for A section belt. This cast iron pulley is designed to fit a 7/8″ keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys similar to this only have one set screw, making them less reliable in many working conditions. This pulley is designed to be used with A Belts (also known as 4L Belts).
Masterdrive dual groove 4.5″ cast iron pulley/sheave with 1-1/8″ H bushing for B section belt is a high-quality 2-piece pulley that measures 4.5″ 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. This style of pulley is much more secure than a standard single-piece pulley. The bushing is made of solid steel and precision machined to ensure high quality and secure attachment to your motor/engine shaft. This pulley accepts B Section also known as 5L series belts and is 5/8″ wide.
Masterdrive single groove 3″ pulley for B / 5L belts. This is a high-quality cast iron pulley and is designed to fit a 1″ 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, making them less reliable in many working conditions. This pulley is designed to be used with B Belts (also known as 5L Belts). You can use A Belts with this pulley; however, they will sit deeper in the grooves and reduce your pulley size.
Masterdrive single groove 2.5″ pulley for A section / 4L belts. This is a high-quality cast iron pulley. This pulley is designed to fit a 5/8″ 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, making them less reliable in many working conditions. This pulley is designed to be used with A Belts (also known as 4L Belts).
Masterdrive single groove 5″ pulley for B / 5L belts. This is a high-quality cast iron pulley and is designed to fit a 5/8″ 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, making them less reliable in many working conditions. This pulley is designed to be used with B Belts (also known as 5L Belts). You can use A Belts with this pulley; however, they will sit deeper in the grooves and reduce your pulley size.