Allow the crankshaft pulley and/or the harmonic balancer
bolt to be broken loosing. Include the tool necessary to
properly counter rotation of the crankshaft pulley/harmonic
balancer during removal and reinstallation of the crank bolt.
Secure the pulley in the place does not rotate during removal
and reinstallation of the crank bolt. The special design works
on Honda and Acura 1990 and the newer model, and Honda
Civic 1980 and the newer model.