Is it wise to replace head gasket on a Subaru 2.5 liter non turbo without a cam lock tool?

Replacing the head gasket on a Subaru 2.5-liter non-turbo engine without a cam lock tool is not advisable. The cam lock tool ensures that the camshafts remain in the correct position during disassembly and reassembly, preventing timing issues that can lead to engine damage. Attempting the repair without it increases the risk of misalignment, which can result in costly mistakes. It's best to use the proper tools for such a critical repair to ensure reliability and performance.