• Aligns the camshaft to Top Dead Center (TDC) on M176, M177, and M178 engines
• Alternative to factory timing plates for precise timing adjustments
• Must be used with CTA 3768 Tool Kit
• Compatible with Mercedes-Benz AMG C63, C63S, and G63 models
• Some 2019+ applications may require camshaft holding adapters #5108
(California Prop 65)