harmonic

  1. J

    Harmonic Balancer Woodruff Key - 4.2 Crank

    So this seems incredibly stupid but maybe I'm not the only one to find this out. I'm building a 4.6 stroker using an early 4.2 crank in my '98 4.0 block. The crank was machined several years back for another project and sat on a shelf until I started this build about a year ago. Somewhere along...
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