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Moroso Oil Restrictors
Product images may differ from actual product appearance.
Moroso oil restrictor kits limit the flow of oil to the rocker arm assemblies, leaving a greater percentage of oil for the rod and main bearings. And less oil in the top end of the engine means less oil that has to pass by the reciprocating assembly on its way back to the oil pan.
Reduces oil flow to upper engine assembly
Reduces power-robbing windage
Note: Do not use with hydraulic lifters.