Moroso Performance Oil Pump Primer Features: Only Correct Way To Build Up Oil Pressure Remove Distributor Insert The Primer Fits 3/8 Chuck In A Hand Drill Black Oxide Finish Resists Corrosion Height: 0.38 Width: 4.13 Length: 18.25 Weight: 0.47 lbs Electrical Outlet Plug Type: Pit and Mechanic Gear