B&B Manufacturing is a leading provider of stock timing belts in U.S. widths for original equipment manufacturers (OEM) and after market applications. Our large imperial pitch belts catalog means customers can quickly and easily find popular and hard-to-find stock belts in all of today's most common pitches, including MXL (0.816 in), XL (0.2 in), L (3/8 in) , H (1/2 in). We also offer JIT (just-in-time) and other delivery and stocking programs, ensuring you always have the timing belts you need at the right time. And with our competitive prices, you can rest assured you're getting them at the right price too. Our timing belts are manufactured from today's most dependable and hard-working materials.