Feature●PRIME AND PRESSURIZE YOUR OIL SYSTEM prior to initial start-up of your engine to prevent costly, harmful dry starts●SIMPLY USE YOUR 3/8 INCH OR LARGER DRILL and insert in place of the distributor oil pump drive shaft●UPPER AND LOWER PILOTS to eliminate wobble and seal the galley during the priming process●MADE IN USA with high quality materials and assembly●A MUST HAVE TOOL FOR YOUR ENGINE BUILDDescription