Replacement aluminum lock nut for Nuke Performance Air Jack 90 Competition. If lost when mounting air jack or damaged when replacing air jack foot, here you have a spare aluminum lock nut.  Download Product Manual (.pdf) Used on Nuke Performance products: Air Jack 90 Competition   If you wish to change or complement the use of fittings of the highest quality, we recommend that you use our fittings which are designed to withstand high power and excessive wear and in the right combination with the products they were intended for. Quantity : 1pc