9-Piece timing cam clamp keeps camshafts exactly in position during timing belt changes, allowing you to align overhead cam engines with precision and efficiency and reducing the risk of timing errors. Broad compatibility for multiple engine layouts: works with single, twin, and quad cam engines. The camshaft locking tool holds valves in accurate timing, delivering reliable performance across a range of engines. Smart, compact design for easier operation: its compact form fits into tight engine bays where larger tools cannot reach, making timing work more accessible in confined spaces. Durable, long-lasting build: made from high-quality ABS material, this multi-use timing locking sprocket gear kit is engineered for strength and durability and designed to withstand demanding engine service tasks. Applications and use scenarios: - Replacing or adjusting timing belts on overhead cam single-cam engines, using the clamp to hold camshafts steady during belt removal and installation. - Servicing twin or quad cam engines where precise valve timing is critical, using the locking tool to maintain correct timing during belt or chain work. - Working in tight engine bays on modern vehicles, where the compact design allows access and operation without the need for bulky equipment.