Nuke Performance Air Jack 90 C replacement feet, including o-ring - NP-590-10-105 - Replacement aluminum foot for Nuke Performance Air Jack 90 Competition. Including 2pc O-ring. If the air jack foot is damaged, it can be replaced. If the piston thread is damaged, please contact Nuke Performance for consultation, it must be a valid seal between the piston and the foot. With the replacement foot, you get two included o-rings, one for the foot itself and one for the top lid that you have to remove to be able to release the internal spring. To unlock the foot from the piston, use a pin wrench. Pin wrench Part # : 200-20-101  Download Replacement 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