Making a last minute chassis adjustment before going on the track is quick and easy with this weight jack bolt.  All you need is a 1/2 inch ratchet.  This steel weight jack bolt is fine thread, 6 inches long, 1 1/8 inches in diameter and is cad plated.  One end is drilled and threaded for a bolt to hold a spring cup and the other end is made for a 1/2 inch ratchet.