blackbox

  1. Slickrick

    For Sale  6l90e, blackbox adapter, and oil pump

    decided to change directions on one of my builds. I originally bought the blackbox adapter to do a duramax swap in my 80 series. The Allison uses a 29 spline output shaft, as well as the 6l90e. I decided to switch back over to a ls and bought a 6l90e for that swap. I’m looking to sell the...
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