The Proflow Harmonic Balancer Installation Tool is a heavy-duty engine service tool machined from high-grade steel for superior strength and durability. Designed to suit Chevy LS series engines (including LS1, LS2, LS3, L92, L98 and other variants) it’s the ideal solution for fitting harmonic balancers without damage. This tool features a long threaded arbor that engages fully into the crankshaft and an integrated anti-friction bearing, allowing the harmonic balancer to be drawn smoothly into place without marking or grinding the pulley surface.
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