Quick Overview
Engine oil restrictors
Merlin II block only.
Details
For big block Merlin III blocks only. .0625" orifice diameter.
Screws into existing lifter galley cleaning plug holes at back of block. Two per package.
- Reduces oil flow to rocker arm assemblies, leaving more oil
- available for the rods and main bearings.
- Reduces power-robbing windage by decreasing the volume of oil
- passing by the rotating assembly on its return to the pan.
Do not use with hydraulic lifters.