The Big Block Chrysler (383–440 & 426 Hemi) All-Inclusive Style Track Serpentine System from March Performance is engineered to deliver unmatched reliability, performance, and style for Mopar big block engines. This 6 rib serpentine system replaces outdated V-belt setups, ensuring consistent accessory drive operation with two precision idlers that maximize belt-to-pulley contact for true no-slip performance. The system’s innovative belt tension adjustment tool simplifies installation and future maintenance while maintaining a clean, professional look under the hood. Each component is CNC-machined from 6061-T6 billet aluminum for superior strength and precise alignment. Finished in maintenance-free powder coat—available in clear, black, black onyx, or chrome—this serpentine kit combines durability with show-quality appearance. The larger diameter crank pulley improves alternator and water pump performance at idle, making it ideal for both street and performance applications. Designed for Chrysler 383–440 and 426 Hemi engines, the March Performance Style Track System delivers the perfect balance of form and function for high-performance Mopar builds.