Russell Front Satin Stainless Steel Disc Brake Rotor R47004 Available in standard design that deliver optimum braking efficiency with maximum heat dissipation Manufactured from SVS420JZ, a highly rust-resistant stainless steel material compatible with all types of disc brake pads (including sintered pads) High-frequency induction hardening, O.D. trueing and tempering prior to final surface grinding Computer-controlled process guarantees quality control and precise dimensions Replaces OEM #41807-73, 41806-72B