Size Chart
×
The Tein GST76-91SS2 Street Advance Z coilover kit gives 1998-2005 Lexus GS300, GS400, and GS430 owners a full-length ride height adjustment and 16-way damping control in a single bolt-on kit. Built around a shortened shell case and a ZT-coated threaded sleeve, this coilover kit lowers the car while keeping enough shock travel for daily commuting and weekend track days. Tein designed this coilover kit to reuse the factory upper mounts, so installation stays straightforward without sourcing extra hardware.
| Year Range | Make | Model |
|---|---|---|
| 1998-2005 | Lexus | GS300 |
| 1998-2000 | Lexus | GS400 |
| 2001-2005 | Lexus | GS430 |
| Detail | Value |
|---|---|
| Manufacturer Part Number | GST76-91SS2 |
| Damping Adjustment | 16-way adjustable |
| Front Spring Rate | 560 lb/in (10 kgf/mm) |
| Rear Spring Rate | 504 lb/in (9 kgf/mm) |
| Front Lowering Range | 0.3 to 3.7 in |
| Rear Lowering Range | 0.5 to 3.7 in |
| Upper Mounts | Reuses factory OEM upper mounts |
| EDFC Compatibility | EDK05-12120 |
| Country of Origin | Japan |
| Warranty | 12-month limited warranty |
Tein has engineered suspension systems in Japan since 1985, developing coilovers, dampers, and electronic damping controllers for street, drift, and motorsport use. The Street Advance Z line, which includes the GST76-91SS2, updates Tein's original Street Advance dampers with revised internals and external coatings for improved durability, while keeping the same 16-way damping control and full-length ride height adjustment that Tein suspension is known for.
The GST76-91SS2 is a Tein Street Advance Z coilover kit built for 1998-2005 Lexus GS300, GS400, and GS430 sedans. It provides full-length ride height adjustment and 16-way damping control in a bolt-on, full coilover package.
Which Lexus models does this kit fit?This kit fits the 1998-2005 Lexus GS300, the 1998-2000 Lexus GS400, and the 2001-2005 Lexus GS430.
How much can the GST76-91SS2 lower my Lexus GS?Depending on the specific GS model, this kit lowers the front end roughly 0.3 to 3.7 inches and the rear roughly 0.5 to 3.7 inches from stock ride height.
Does this coilover kit offer adjustable damping?Yes, it uses Tein's Advance Needle valve technology to provide 16 distinct damping force settings per corner.
Do I need new upper mounts to install this kit?No, this kit is designed to reuse your Lexus GS factory upper mounts, so no aftermarket upper mounts are required.
Is the GST76-91SS2 compatible with Tein's EDFC system?Yes, this kit works with Tein's EDFC motorized damping controller, model EDK05-12120, for in-cabin damping adjustment.
What warranty comes with this kit?It carries a 12-month limited manufacturer warranty when purchased through an authorized Tein dealer.
Is this coilover kit suitable for daily driving?Yes, it is tuned for daily street use while still supporting spirited weekend and light track driving.
Coilovers from KW Suspension, Bilstein, FOX, ICON Vehicle Dynamics, Ohlins, Silver's NEOMAX, BC Racing, Fortune Auto, Ridetech, QA1, H&R, and Eibach are stocked at Black Ops Auto Works for street cars, track cars, off-road trucks, lift-application SUVs, and classic muscle car conversions. Every product is filterable by year, make, model, trim, and drivetrain so the correct coilover kit ships the first time. Black Ops Auto Works carries 1,646 coilover SKUs across non-adjustable, single-adjustable, double-adjustable, and remote-reservoir categories. What This Collection Covers A coilover combines a shock absorber and coil spring into a single adjustable unit with a threaded body for ride height adjustment. Coilovers offer purpose matched spring rates and damper valving that a lowering spring on a factory shock cannot replicate. Product Categories Non-adjustable coilovers, single-adjustable coilovers, double-adjustable coilovers, remote-reservoir coilovers, off-road lift coilov...
View Coilovers Products
Coilovers and coilover components are stocked at Black Ops Auto Works for trucks, SUVs, muscle cars, and street performance builds. Shop complete coilover kits, coilover springs, lowering springs, shock boots, dampening adjustment extenders, and suspension hardware for Ford, Toyota, Chevrolet, Jeep, Dodge, and Porsche platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct coilover setup ships the first time. Black Ops Auto Works carries 2,259 coilover and component SKUs across street, off-road, and track categories. What This Collection Covers Coilovers combine a coil spring and a shock absorber into a single adjustable unit, giving control over ride height and, on many models, damping stiffness. This collection also includes the individual components used to service, upgrade, or protect an existing coilover system. Product Categories Complete coilover kits, individual coilover shocks, coilover springs, lowering springs, protective shock...
View Coilovers & Components Products
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products
Tein coilovers, lowering springs, suspension controllers, upper mounts, and service parts bring Japanese suspension tuning to street and track builds. Shop Street Basis Z, Street Advance Z, Flex Z, Mono Sport, H.Tech springs, EDFC controllers, and replacement hardware for WRX STI, Civic Type R, S2000, Miata, 350Z, 370Z, Supra, Corolla, and other sport compact platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 129 Tein SKUs across coilovers, springs, electronic damping control, mounts, adjustment tools, and suspension accessories. What Tein Covers Street Basis Z and Street Advance Z Street Basis Z and Street Advance Z coilovers target street drivers who want a lower ride height and a matched damper and spring package. Compare adjustability, upper mounts, and platform-specific features before choosing. Flex Z and Mono Sport Flex Z and Mono Sport systems add options for own...
View Tein Products