Harmonic Balancer Installation Tool, SBC, or any engine with a 7/16 -20 threaded hole in the crank; Uses a pilot stud, which keeps the harmonic balancer perpendicular to the crankshaft's centerline for a bind- free installation; Thrust bearing and protective washer allows the drive nut to rotate freely so the balancer is pressed on smoothly and evenly
- Pilot stud keeps balancer perpendicular to crankshaft centerline
- Thrust bearing & washer allow rotation of the drive nut so the balancer is smoothly & evenly pressed on
- For SBC & engines with a 7/16 -20 threaded hole in the crank.