SKU: MPD41180
MPN: MPD41180
The 5/8 Aluminum Radius Rod 18in Black 1in OD is a precision steering component engineered for high-performance marine applications, especially in racing and performance boat builds. This aluminum radius rod serves as a critical link in the steering geometry of modern marine vessels, transferring helm input directly to the drive unit with minimal deflection and maximum responsiveness. Built by MPD Racing, a manufacturer trusted by competitive boaters and marine engineers, this component is essential for operators who demand tight steering feel and predictable handling characteristics in demanding water conditions.
Constructed from lightweight aluminum, the 5/8 Aluminum Radius Rod combines strength-to-weight efficiency with corrosion resistance—a critical pairing for saltwater and freshwater environments. The 1-inch outer diameter provides optimal rigidity while the 18-inch length accommodates standard marine drive configurations found on inboard and outboard performance setups. The black powder-coat finish protects against UV degradation and saltwater corrosion, maintaining structural integrity and appearance through seasons of heavy use. This radius rod's precision manufacturing ensures zero slop in the steering linkage, translating to the crisp, immediate response serious boaters require when navigating tight turns or executing sharp maneuvers.
Performance boaters, racing enthusiasts, and marine technicians installing or upgrading steering systems will benefit most from this component's engineering. The radius rod is ideal for replacement during steering system overhauls or as part of a performance upgrade on ski boats, bass boats, and competition watercraft. Installation requires proper alignment with existing steering linkage and drive geometry; most boaters work with a qualified marine mechanic to ensure correct geometry and performance. Weighing just 0.55 lbs, this rod minimizes unsprung weight while maintaining the stiffness necessary for precise helm control in high-speed or aggressive maneuver scenarios.
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