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A Moroso Merlin II block oil restrictor kit with .0625-inch orifices, sold as a two-pack for Merlin II engine blocks. These restrictors let builders fine-tune internal oil flow and pressure for specific valvetrain or pump configurations. They offer a straightforward, serviceable alternative to drilling passages, helping control oil distribution in high-demand or modified applications.
Moroso Merlin II Block Oil Restrictor Kit w/.0625in Orifice Diameter - 2 Pack
