Chevy BBC 454 Standard Cam Height Timing Belt Drive Kit

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.