This professional-grade Camshaft Retaining Tool Kit is specifically designed for GM vehicles with 2.8L, 3.0L, and 3.6L engines, including Cadillac, Buick, Saturn, Pontiac, Chevrolet, and Holden models. The kit includes precision-engineered components: a specialized flywheel locking tool and camshaft retaining tools that replace OEM part numbers EN-48383, EN-46105, EN-46106, and EN-46111. Each tool is crafted from durable materials for reliable performance during engine timing and maintenance procedures. The kit comes housed in a sturdy blue carrying case with custom-cut foam inserts that keep tools organized and protected. The case features secure latches and a convenient handle for easy transport. This comprehensive set provides mechanics and DIY enthusiasts with the essential tools needed for accurate camshaft timing operations on compatible GM engines.