Remove And Install IPA Tools now offers their Spark Plug Crank Stopper, part #007876, that allows technicians to lock an engine into place and according to the company, is as easy as replacing a spark plug. The new Spark Plug Crank Stopper is a time-saver and: Removes harmonic balance pulleys. Installs timing chains and belts. Installs timing gears and belt pulleys. Its brass end protects piston from damage. Is American made and assembled. Comes with a Lifetime Warranty.