LS1 LS2 LS3 LS4 LSX LSA LS6 LQ4 LQ9 Engines,or LS powered hot rod. Using the original bolt to press the harmonic balancer back on is a really bad idea. Dont do it. When using the original bolt the stress is on only a few threads which can lead you to ruin your crankshaft threads.

Drive: Manual
Number of Pieces: 1
Unit Type: Unit
Set or Single Item: Set
Unit Quantity: 1
Manufacturer Part Number: 12553118
Brand: Unbranded
Bolt Size: M16 x 2.0 x 180mm
Warranty: 2 Year
Type: Harmonic Balancer Puller
UPC: 657814754737