Circuit Pro 3 Way series referenceSpecial order · Estimated lead time: typically 2-3 weeks
98-05 Lexus GS430 - Circuit Pro 3-Way Coilovers
Choose year, make and model to confirm this application-specific product fits — you can add it to your cart either way.
Verify fitment- Four assembled coilovers, sprung and valved for this application
- Upper mounts (pillowball with camber adjustment on MacPherson-strut fronts)
- Damping adjustment knobs and spanner wrenches
- Front and rear springs rated 24.8 kg/mm front and 20 kg/mm rear
One approved application: 1998–2005 Lexus GS430 · JZS161
- Ships from Mesa, AZ
- 12-month limited warranty
- Special order: typically 2-3 weeks
Specifications — CLX050-C3
Product details
The 1998 to 2005 Lexus GS430 (JZS161) is the car this Circuit Pro 3-Way system is built around. Four assembled coilovers arrive sprung and valved for this application, with springs rated 24.8 kg/mm up front and 20 kg/mm in the rear, so the rates are already matched to the car.
The three-way design is the main draw. Each damper has 36 levels of damping, and external reservoirs let rebound, compression and nitrogen pressure be set independently, which gives 11,664 combinations. The adjustable lower mount keeps full shock travel while you lower the car, and the stroke runs 20 to 30 mm shorter than a street kit for a firmer, more controlled body.
Set ride height at the adjustable lower mount, start damping 18 clicks counterclockwise from full stiff, and lock every collar with both spanner wrenches. Expect to book a professional alignment afterward, and confirm fitment with the year, make and model checker before you order.
Supported features
36 levels of damping adjustment. Set damping to full soft for a comfortable cruising setting for normal driving.
Standard external reservoirs allow rebound, compression, and nitrogen pressure to be adjusted independently — 11,664 possible combinations. Some vehicles receive front reservoirs only where rear space is limited.
Aggressive spring rates and shock valving combined with a 20–30 mm shorter shock stroke. Choose proven spring rates or your own custom rates; the shocks are valved to what you select.
Standard on MacPherson-strut applications: camber and caster adjustable mounts that replace the stock rubber or plastic mounts to reduce flex.
Oil and gas stay separated within the cylinder for faster, more even heat dissipation, finer damping adjustment, and consistent ride quality.
Mounts, collars, and spring perches are machined from 6061-T6 billet aluminum; steel shock bodies are zinc-plated for added protection from corrosion.
Compatible applications (3)
Installation
Set ride height with the adjustable lower mount where the application has one; use the spring perch only where the application-specific layout has no adjustable lower mount. Lock every collar with both spanner wrenches. Start damping 18 clicks counterclockwise from full stiff and adjust from there. Professional setup and alignment are required after installation; on MacPherson fronts, establish baseline camber at the elongated lower-mount hole before fine adjustment at the upper plate.
Coilover setup, height and damping guidesWarranty & service
12-month limited warranty to the original purchaser against defects in materials and workmanship. Racing use, exterior finish and improperly installed or modified parts are not covered; keep your original invoice for any claim. KSport coilovers are rebuildable; replacement shocks, springs, mounts and hardware are sold individually.
Warranty terms and service requestsOther published pages for MPN CLX050-C3
These page names share this MPN; they do not confirm fitment. Verify your vehicle before ordering.