Kevlar lined Stainless Steel Braided Brake Lines Virtually no volumetric expansion Firmer brake pedal feel with less pedal effort. Hose assemblies comply with D.O.T. Federal regulations (MVSS-106) Legal for street use in all 50 States. Teflon inner core (chemically inert) Approved for use with all brake fluids, including D.O.T. 5 Silicone. Resists moisture, Very flexible. Five layer construction Rugged construction that resists road shock and hazards. Higher fitting pull-off than other D.O.T. assemblies. Standard SAE female fittings and ends Utilizes standard brake fittings and hardware. PN# 102009 - Will NOT work on 2012+ trucks.