B&B Manufacturing provides fast and economical production of timing pulleys for custom and prototype applications. That means whether you have a unique need that can't be met with standard pulleys or require a quickly machined pulley for a low-risk, high reward prototype, we're here to help. We stock lengths up to 12 in, but can accommodate longer lengths and custom tooth counts. B&B Manufacturing Powerhouse™ Timing Pulley Bar Stock, 2.775 in Outside Dia, 2.82 in, 45 Grooves, 5 mm Pitch, 3/4 in Hub Dia, 9 in Overall Length, For Use With: PowerGrip® GT2® and PowerGrip® GT3® Belts, Aluminum