The 15545 SLBA represents the pinnacle of A-arm technology. By utilizing spherical bearings instead of traditional bushings, JOES has eliminated "stiction" (static friction) from the front suspension. This allows the suspension to react instantly to the slightest track imperfections, providing the driver with unparalleled feel and ensuring the shocks and springs do 100% of the work.
Detailed Technical Specifications
1. Precision Bearing Pivot System
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Zero-Bind Articulation: Unlike rubber or poly bushings that resist movement and "set" into a position, the spherical bearings in this arm allow for fluid, effortless travel throughout the entire suspension cycle.
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Consistency: Because bearings do not deflect under load, your camber and caster settings remain stable even under the highest cornering forces.
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Replaceable Components: The bearings and shafts are fully serviceable, allowing you to refresh the arm without replacing the entire unit.
2. Screw-In Ball Joint Design
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Small Chrysler Pattern: The bucket is threaded for the industry-standard "Small Chrysler" screw-in ball joints (e.g., Moog K772), favored for their strength and ease of replacement.
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Simplified Maintenance: If a ball joint wears out or is damaged, it can be swapped in minutes with a standard ball joint socket, without the need for a hydraulic press.
3. Lightweight Steel Construction
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Optimized Wall Thickness: JOES uses high-grade steel tubing that provides the stiffness needed to prevent mid-corner "bowing" while remaining lightweight to improve unsprung weight.
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NASCAR-Style Engineering: This design mirrors the geometry and durability standards used in professional-level stock car and late-model racing.
