-8 Swivel Nuts for XRP hose ends being made in high production out of 2024-T851 aluminum alloy … not weaker 6061 that some promote who don’t know metallurgy or Mil-Spec. requirements. #xrp #xrpracing #nhra #nascar #sprintcar #offroadtruck #offroadracing #prerunner #racecar #raceengine