Permatex 56521 High Performance Thread Sealant
OEM specified. Formulated specifically for metal, tapered pipe thread fittings, it replaces Teflon® tape and pipe dopes. Cures rapidly to withstand up to 10,000 PSI. Prevents galling and protects mated threaded areas from rust and corrosion. Contains PTFE. - See more at: https://www.permatex.com/products/thread-compounds/thread-sealants/permatex-high-performance-thread-sealant/#sthash.2GYLgmI7.dpuf