Hawk HB453C.585 HPX Motorsports Front Brake Pads
Hawk HB453C.585 HPX Motorsports front brake pads use a medium-torque, medium-temperature autocross compound designed for clean modulation, predictable initial bite and controlled braking response.
- HPX motorsports compound
- Front axle pad set
- Pad shape HB453, thickness .585 inch
- Manufacturer part number: HB453C.585
Verify the exact vehicle, axle, caliper and installed brake package before ordering.
Converted front brakes only: requires matching 2004-2017 STI Brembo four-piston front calipers with HB453 .585 pads, correct retaining pins and springs, compatible 326 mm iron rotors drilled for the installed hub pattern, and verified wheel/spoke clearance. Does not fit original non-STI sliding calipers or 2006-2007 WRX Subaru-brand four-piston calipers. The 2018+ STI six-piston system uses a different pad.
1997-2001 Impreza conversion application remains unconfirmed. Converted front brakes only: requires matching 2004-2017 STI Brembo four-piston front calipers with HB453 .585 pads, correct retaining pins and springs, compatible 326 mm iron rotors drilled for the installed hub pattern, and verified wheel/spoke clearance. Does not fit original non-STI sliding calipers or 2006-2007 WRX Subaru-brand four-piston calipers. The 2018+ STI six-piston system uses a different pad. The available conversion guide does not establish these earlier year/trim combinations; verify the complete installed conversion before ordering.