Dial in your own ride with the KYB AGX Suspension Strut 741035, a damping-rate-adjustable front strut that drops in as a direct-fit replacement for the 1999-2005 Mazda Miata. Designed for enthusiasts, the AGX lets you tune corner damping without special tools — quickly and as often as you like — so you can set it up for the street or the track.
- Manually adjustable damping: One simple adjustment increases both rebound and compression damping, and it can be adjusted to add up to 125% more damping force on your Mazda Miata.
- Easy access: Depending on the vehicle application, the AGX uses either an eight-position knob or a four-position screwdriver slot — both offer the same overall capability, and it adjusts externally without lifting the vehicle or removing the tires.
- Velocity-sensitive valving: Precision multi-stage hydraulic valves react instantly to driving conditions to help maintain tire contact and vehicle control across a broad performance range.
- Built to last: A seamless working cylinder is matched with a Teflon-coated piston band for a positive seal and longer life.
Engineered to help vehicles with electronic safety systems such as ESC and ABS. KYB recommends installing new strut mounts (part number SM5139) to reduce the chance of noise and vibration, and protecting your new struts from dirt, debris and salt with a KYB Strut Boot (part number SB108).
Frequently Asked Questions
What vehicle does this KYB AGX strut fit?
It is a direct-fit front strut for the 1999-2005 Mazda Miata. Check the Buyer's Guide tab to confirm the fit for your specific vehicle.
How is the damping adjusted?
Depending on the application, you adjust it with an eight-position knob or a four-position screwdriver slot. One adjustment increases both rebound and compression damping, externally, without lifting the vehicle or removing the tires.
How much can the damping be increased?
KYB states the AGX can be adjusted to add up to 125% more damping force on your Mazda Miata, letting you tune ride control for street or track use.
Do I need new strut mounts or a boot?
KYB recommends installing new strut mounts (part number SM5139) to reduce the chance of noise and vibration, and a KYB Strut Boot (part number SB108) to protect the struts from dirt, debris and salt.
Is this strut compatible with electronic safety systems?
Yes. It is engineered to help vehicles equipped with electronic safety systems such as ESC and ABS.
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