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- This Moroso oil pump primer fits Ford 289,302,390,428 engines.
- Pump drive end of primer fits 1/4" hex male end of the oil pump drive
The only correct way to build up oil pressure in a new engine before initial starting.
Remove the distributor and insert the primer to engage the end of the oil pump drive.
The other end of the primer fits a 3/8" chuck in a hand drill to drive the oil pump.
Black oxide finish resists corrosion.
||The size of the drive is 1/4 inch.
||Oil Pump Primers
||Moroso Oil Pump Primers
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