Radius Rod 5/8in Alum 21-1/2in

The Radius Rod 5/8in Alum 21-1/2in from ALLSTAR PERFORMANCE is a precision suspension component engineered for serious hot rodders, circle-track racers, and custom vehicle builders seeking measurable improvement in handling geometry and chassis rigidity. This suspension tube serves as a critical lateral locating arm in modern and vintage suspension setups, controlling frame movement under cornering loads and braking stress while maintaining structural integrity under racing conditions and high-performance street applications.

Manufactured from aluminum for weight savings without sacrificing strength, this radius rod features a 1.125-inch outer diameter tube with precision 5/8-18 female threads at both ends, allowing seamless integration into existing suspension mounting points and rod-end bearing assemblies. The polished aluminum finish delivers both corrosion resistance and a professional appearance that complements any competition or show-quality build. At 21.5 inches in length and weighing just 0.94 pounds, it significantly reduces unsprung mass compared to steel alternatives, directly improving suspension response, tire contact patch consistency, and overall chassis balance—particularly beneficial in independent front suspension (IFS) and rear suspension triangulation applications where compliance and precision matter.

This component excels in drag racing, road racing, and high-performance street-rod environments where frame flex and suspension geometry control directly impact lap times and stability. Installers should confirm existing mounting hole locations and thread compatibility before ordering—the 5/8-18 female threads accommodate standard rod-end fasteners and suspension brackets. Whether you're building a vintage hot rod with modern geometry or fine-tuning a race-proven chassis, this aluminum radius rod delivers measurable gains in handling response and structural rigidity at a weight penalty far lower than traditional steel solutions. Proper installation requires torque specifications aligned to your suspension designer's geometry sheet and frame load calculations.