These Speedmaster belt drives represent the ultimate in cam timing systems, providing competition engine builders with the most accurate valvetrain components available today. These drives are designed to absorb a significant amount of crankshaft harmonics, which will affect valve motion if they reach the valvetrain. These systems require less power to operate than conventional belt drives, and are proven to be more durable than either gear or chain drives. Part Type: Timing Belt Drive Systems. Belt Drive System Style: Dry.Belt Drive Housing Material: Aluminum. Belt Drive Housing Finish: Natural. Add a map to your own listings. The item "Small Block Chevy Standard Height Aluminum Timing Belt Drive System Adjustable" is in sale since Monday, August 20, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Timing Components". The seller is "dragsterboy135" and is located in Mims, Florida. This item can be shipped worldwide.