Dial in your own ride control with the KYB AGX Damping Rate Adjustable Strut (MPN 741025), a manually-adjustable rear suspension strut that installs as a direct-fit replacement for the 1986-1991 Mazda RX-7 (see the Buyer's Guide tab for full application details). The AGX lets enthusiasts design their own performance without special tools — adjusting as often as you want to firm up the ride.
- Adjustable performance: Increase individual corner damping rates up to 125% more than the vehicle's OEM design; one simple adjustment raises both rebound and compression damping.
- Easy access: Externally adjustable without lifting the vehicle or removing the tires; depending on application, uses either an eight-position knob or a four-position screwdriver slot — both offer the same overall capability.
- Velocity-sensitive valving: Features precision multi-stage hydraulic valves for a broad performance range, reacting to driving conditions on the street or track to help maintain tire contact and vehicle control.
- Built to last: Uses a seamless working cylinder matched with a Teflon-coated piston band for a positive seal and longer life; engineered to help vehicles with electronic safety systems (ESC, ABS, etc.).
Protect your new struts from dirt, debris and salt with a KYB Strut Boot, part number SB107.
Frequently Asked Questions
What vehicle does the KYB AGX 741025 strut fit?
It is a direct-fit replacement rear suspension strut for the 1986-1991 Mazda RX-7. Check the Buyer's Guide tab to confirm the exact application for your vehicle.
How much can I adjust the damping?
The AGX lets you increase individual corner damping rates up to 125% more than the vehicle's OEM design, and one adjustment raises both rebound and compression damping.
Do I need special tools to adjust it?
No. The AGX is externally adjustable without lifting the vehicle or removing the tires, using either an eight-position knob or a four-position screwdriver slot depending on the application.
Is this a front or rear strut?
This is a rear suspension strut. Struts are typically replaced as a matched pair on an axle for balanced ride control; this listing is for one unit.
Are the struts compatible with electronic safety systems?
Yes. The AGX is engineered to help vehicles equipped with electronic safety systems such as ESC and ABS.
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