Using this Subaru OEM gasket and seal kit is a breeze. First, make sure you've properly disassembled your engine block. Then, carefully take out each gasket and seal from the kit and install them one - by - one in the correct places as per your engine's manual. When handling the gaskets and seals, be gentle to avoid any tears or damage. It's important to remember that Subaru of America only offers warranty for parts installed on a car with a matching VIN, so keep your paperwork in order. For maintenance, regularly check the gaskets and seals for any signs of wear or leaks. If you notice any issues, replace them as soon as possible to keep your engine running smoothly.