SP Tools/Schley Products Inc.

64500 GM Harmonic Damper Holding Tool for trucks and SUVs

New from Schley Products is their 64500 GM Harmonic Damper Holding Tool for trucks and SUVs. The new tool helps deliver faster crank bolt removal and installation on 4.2, 3.5 and 2.8-liter in-line GM engines by holding the pulley stationary in order to remove the center bolt. After installation of the pulley, the center bolt requires 110 lbs. of torque and 180 degrees of rotation in order to seat the pulley to factory specifications.

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