SKU: RIC69-0371-1
UPC: 698231683866
MPN: 69-0371-1
The 3.55 Ratio 8.75in Mopar 489 Case by Richmond is a specialized differential assembly designed for Mopar enthusiasts and performance mechanics. It provides an excellent solution for those looking to optimize gear ratios for both classic and modern Chrysler vehicles. This complete carrier case assembly allows builders to achieve precise final drive characteristics without needing to source multiple individual components.
Constructed with high-quality materials, the Richmond 489 case is compatible with standard Mopar ring-and-pinion sets, ensuring easy installation with existing driveshaft assemblies and brake components. The 3.55 gear ratio strikes a balance between improved acceleration and highway cruising efficiency, making it suitable for a variety of performance applications. The compact 8.75-inch diameter design fits original equipment locations while maintaining structural integrity under load.
This differential assembly is ideal for those restoring muscle cars or upgrading daily drivers, providing the necessary performance enhancements for street-strip hybrids. With a weight of 15.8 lbs, it is designed for easy integration into various builds. The Richmond 489 case is a reliable choice for DIY builders seeking a bolt-in assembly that meets high manufacturing standards.
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