This installation kit is for installing 4 DOWN LEG boosters into a Holley, or Quick Fuel Technology, or Demon Carburetor. NEVER worry about getting a loose booster again. This installation kit comes with 4 threaded boosters and a locking nut that can not back out. You will also get the cutting tool and the reamer along with interaction on how to install this kit.
If you are a carburetor rebuilder or modifier this kit will make your job so much easier. Not only will you have a tighter more secure booster but it will also save you time and resources. You will also be able to salvage all of the main bodies that have broken or burned out boosters.