Description
Proper spindle geometry is non-negotiable in racing and high-performance applications—misalignment costs you lap time and accelerates wear on suspension components. This Allstar Performance GM Metric Lower Slug gives you a precision tool to verify and maintain accurate ball joint angles, ensuring your front-end geometry stays dialed in. Whether you’re prepping for competition or maintaining a built suspension, this slug is essential for confirming lower ball joint taper specifications on GM metric spindles.
- GM Metric spindle checker
- Lower ball joint slug
- 2 in/ft taper angle
- Steel construction
- Black oxide finish
- Includes retaining nut
- Sold individually
- Allstar Performance MPN ALL99158






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