Moroso 22017 Moroso Merlin II Block Oil Restrictor Kit w/.0625in Orifice Diameter - 2 Pack

Oil Restrictor Kit. Fits Merlin II blocks, .0625" orifice diameter. Screws into existing lifter galley cleaning plug holes at back of block. Two per pack

• Reduces oil flow to upper engine assembly, leaving more oil available for the rod and main bearings
• Reduces power-robbing windage by reducing the volume of oil passing by the rotating assembly on its return to the pan
• Do not use with hydraulic lifters