These are to suit OEM XR6 Oil Pumps
This set replaces the standard gears which are powdered metal.
Now with Isotropic Micro Finish.
Precision machined from 4340 billet steel. These gears have been proven under extremely harsh conditions & stress.
Billet oil pump gears eliminate the worries of possible oil pump failure, which when happens can cause massive amounts of damage to your engine.