39 x Valve Spring Compressor Stem Seal Installer/Remover Tool Set. -for Mazda Mitsubishi Nissan Porsche (924, 928) Saturn Toyota Volvo VW Volkswagen (4, 5, 6 cylinder). Use with the cylinder head still on the engine and in the car, or with the cylinder head removed Tool bolts to the head while the lever pivots from the base to compress the spring.
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