The Small Block Chrysler All-Inclusive Pro-Track Serpentine System from March Performance delivers modern performance and classic style for Mopar 318, 340, and 360 engines. Designed for non-A/C applications, this 6 rib serpentine kit features a precision CNC-machined 6061-T6 aluminum design with a clean, maintenance-free powder coat finish. The included belt tension adjustment tool makes setup simple and ensures perfect alignment and long-term reliability. With a larger crank pulley for improved accessory drive at idle, the Pro-Track system keeps your Chrysler running cool, efficient, and looking sharp under the hood.