The KYB Gas‑a‑Just rear shock for Mazda 3 / MazdaSpeed (2010–2013) is an OE-monotube replacement that restores original ride and responsiveness. It combines an air‑free hydraulic piston and valve area with a high‑pressure nitrogen chamber for comfort and instant performance on demand. KYB also suggests strut boot SB125 to protect the assembly from dirt and road debris.
KYB Shocks & Struts Gas-a-Just Rear MAZDA 3 MazdaSpeed 2013-2010