These bolts replace the old bolt of the pressure line and the fluid reservoir line. They feature a damage resistant allen socket head. Features: Allen socket head Stainless steel Non-corrosive Compatible with: 2002-2006 Acura RSX 2002-2015 Honda Civic Si 2003-2014 Acura TSX 2002-2016 Honda CRV 2003-2011 Honda Element