Product Descriptions: -- Fitment: 15088 Harmonic Balancer Install Kit (M16 x 2.0 Threaded Installer Rod), fits for GM Gen III/Gen IV (LS-Based) and for GM Gen V (LT-Based) V8 Engine Systems. -- Function: The 15088 Harmonic Balancer Install Kit provides service for harmonic balancers, underdrive pulleys and engine systems. It WILL NOT REMOVE harmonic balancers, is for harmonic balancer INSTALLATION ONLY. .