1998-2007 Lexus IS300/IS200 Toyota Altezza/Mark II Coilovers Height Adjustable 4PCS

Flashark 1998-2007 Lexus IS300/IS200 Toyota Altezza/Mark II Adjustable Coilovers 4PCS

Set the car lower, tighten body control, and sharpen steering response without making every street drive unnecessarily harsh. This Flashark adjustable coilover kit fits the listed 1998–2007 Lexus IS300, Lexus IS200, Toyota Altezza, Mark II, and Mark II Blit applications equipped with 2.0L 1G-FE or 3S-GE, 3.0L 2JZ-GE, and 2.5L 1JZ-series engines. Its twin-tube coilover shock absorbers provide 1–4 inches of ride-height adjustment, with 12 kg/mm front and 7 kg/mm rear spring rates to reduce body roll and improve suspension response for daily driving, stance builds, and occasional performance use.

Fitment:

2000-2005 Lexus Is300 Usa Jce10L （Incl Sports Cross (5Dr)
1999.4 - 2005.7 Lexus Is200 Gxe10（Incl Sports Cross (5Dr)
1998.10-2005.07 Toyota Altezza As200 Jpn Gxe10
1998.10-2005.07 Toyota Altezza Rs200 Jpn Sxe10
2000.10-2004.11 Toyota Mark Ii Jpn Jzx110 Grande Ir-V, Grande G-Tb
2002.01-2007.05 Toyota Mark Ii Blit Jpn Jzx110W 2.5Ir-V, 2.5Ir-S

Specifications:

Specification	Details
Top mounts	Pillow ball top mount with camber plate front, standard rubber top mount rear
Quantity	Complete coil overs 2 front and 2 rear, a pair of wrenches for height adjustment
Spring rate Front	12 kg/mm (672 lbs/in)
Spring rate Rear	7 kg/mm (392 lbs/in)
Spring length Front	200mm
Spring length Rear	220mm
Coilover overall length Front	487mm - 610mm
Coilover overall length Rear	517mm - 602mm
Adjustable Height	Yes, lowering 1" to 4"
Shock Type	Twin tube
Spring Preload	7-10 mm
Surface Materials	Aluminum, Steel
Color	Purple
Warranty	2-year warranty for any manufacturing defect

Flashark Coilover Struts Assembly, also called Coilover Shock Absorbers Struts, is designed for enthusiasts seeking the ultimate suspension upgrade with an elegant purple color. This high-quality strut offers adjustable ride height and advanced damping technology. Enjoy improved stability, reduced body roll, and enhanced cornering capabilities. With its direct-fit design and easy installation process, it's the perfect choice for car enthusiasts looking to elevate their driving experience.

Features

• 6061 aluminum: Most components are made from 6061 aluminum with T6 for increased hardness, the advantages include excellent strength, and aluminum helps keep the weight down
  
• Twin-Tube: Twin-Tube Shock design is used for low internal frictional resistance in order to increase efficiency and keep shock temps low. This is done while securing a sufficient internal shaft stroke length
  
• Hi Tensile performance spring: Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, the special surface treatment is to improve the durability and performance
• Functionality: Enhance steering performance and prevent cornering understeer and oversteer. Reduce cornering roll and improve braking performance, leading to shorter braking distances and increased driving safety. The coilover struts are easy to install with the proper tools.
• Adjustable Heigh: The height is adjustable for 1-4 inches(Notice: The coilovers kit will "Lower your car" and does not keep to the original ride height.), allowing you to have a more aggressive stance, This design helps eliminate turning noise and also improves steering feel and response. In addition, we have adopted a deep groove ball bearing structure to help eliminate cornering noise and also improve steering feel and response.

Package Includes:

2 x Front Coilover
2 x Rear Coilover
2 x Stainless Steel Wrench

Notice：

- No instruction included; Professional installation & alignment suggested.
- Please check our store for other auto parts you may be interested in.
- Please feel free to contact us for whatever we can help.

Installing coilover shock absorbers on a 1999-2005 Lexus IS300, IS200, or 1998-2007 Toyota Altezza and Mark II enhances vehicle performance and handling. Coilovers offer adjustable ride height and spring pre-load, allowing you to fine-tune your car's stance and suspension stiffness for various driving conditions. They improve cornering stability, reduce body roll, and provide a more responsive and precise steering feel. Additionally, adjustable camber plates eliminate the need for separate camber kits, simplifying alignment adjustments. Overall, coilovers provide a customizable suspension setup, improving the driving dynamics and adaptability of your vehicle for both street and track use.

Lexus IS300, IS200, Toyota Altezza & Mark II Coilovers FAQ

Q1: Will these coilovers fit a 2000-2005 Lexus IS300?

A1: Yes. These Flashark coilovers are listed for the 2000-2005 Lexus IS300 USA-spec JCE10L chassis, including the SportCross five-door model. They are suitable for buyers searching for a 2001 Lexus IS300 suspension kit, 2002 Lexus IS300 coilovers, IS300 shocks, or a complete Lexus IS300 shock absorber set. Confirm your chassis and existing suspension before ordering, especially if the vehicle has been modified.

Q2: Will these coilovers fit a Lexus IS300 SportCross?

A2: Yes. The detailed fitment list includes the 2000-2005 Lexus IS300 SportCross five-door model. Wheel offset, tire size, cargo load, and existing suspension modifications can still affect final clearance, so inspect the vehicle setup before installation.

Q3: Will this kit fit a 1999-2005 Lexus IS200?

A3: Yes. The kit is listed for the Lexus IS200 GXE10 produced from approximately April 1999 through July 2005, including the SportCross five-door model. It is a complete Lexus IS200 suspension upgrade for owners who want adjustable ride height instead of standard fixed-height replacement struts.

Q4: Will these coilovers fit a 2006 or 2007 Lexus IS300 or IS200?

A4: The detailed fitment list does not include the second-generation 2006-2007 Lexus IS300 or IS models. Although the broad product title mentions 1998-2007, the listed Lexus applications end in 2005. Do not order this kit for an XE20-generation Lexus IS without receiving specific fitment confirmation.

Q5: Which Toyota Altezza models will these coilovers fit?

A5: These Toyota Altezza coilovers are listed for the 1998.10-2005.07 Altezza AS200 GXE10 and Altezza RS200 SXE10. They can replace the original spring-and-damper setup with a height-adjustable four-corner suspension system. Confirm the chassis code rather than relying only on the model name.

Q6: Will these coilovers fit a 2007 Toyota Altezza?

A6: The detailed fitment list ends with July 2005 for the Toyota Altezza GXE10 and SXE10. A vehicle registered or imported in a later year may still have an earlier chassis production date, but the chassis code and build date must be verified before purchase.

Q7: Which Toyota Mark II models are compatible with this kit?

A7: The listing includes the 2000.10-2004.11 Toyota Mark II JZX110 Grande iR-V and Grande G-TB, plus the 2002.01-2007.05 Toyota Mark II Blit JZX110W 2.5 iR-V and 2.5 iR-S. It is not described as a universal kit for every Mark II generation, so verify the JZX110 or JZX110W chassis code before ordering.

Q8: How much can these IS300 and Altezza coilovers lower the car?

A8: The listed ride-height adjustment range is approximately 1 to 4 inches lower than stock. A moderate drop is usually more practical for daily driving because it preserves ground clearance and suspension travel. An aggressive drop may increase the risk of tire rubbing, exhaust scraping, bump-steer, poor suspension geometry, and accelerated tire wear.

Q9: Can these coilovers keep the original factory ride height?

A9: No. The product page states that the kit is designed to lower the vehicle and is not intended to retain the original ride height. Owners who want standard ride height and factory-style comfort should consider OEM-type IS300 shocks, struts, and springs instead.

Q10: What are the spring rates on these Lexus IS300 and Toyota Altezza coilovers?

A10: The listed front spring rate is 12 kg/mm, approximately 672 lbs/in, and the rear spring rate is 7 kg/mm, approximately 392 lbs/in. This is a performance-oriented setup intended to provide firmer body control, reduced roll, and quicker response than worn original suspension components.

Q11: Are these coilovers comfortable enough for daily driving?

A11: They can be used on a daily-driven IS300, IS200, or Altezza, but the ride will normally feel firmer than the factory suspension. Daily comfort depends on ride height, available suspension travel, tire sidewall, road conditions, spring preload, and the condition of the vehicle’s bushings and ball joints. Avoid setting the car excessively low if comfort and ground clearance are priorities.

Q12: Do these coilovers have adjustable damping?

A12: The current specification table confirms adjustable ride height, spring preload, and a twin-tube shock design, but it does not clearly state a user-adjustable damping range. Buyers who specifically require multi-way damping adjustment should confirm that feature with Flashark before ordering rather than assuming it is included.

Q13: What spring preload should I use?

A13: The recommended spring preload is approximately 7-10 mm. Preload should be used to seat the spring correctly, not as the main method for lowering the vehicle. Excessive preload can create a harsher ride and reduce usable suspension movement, while insufficient preload can allow the spring to become loose when the suspension is unloaded.

Q14: Do I need a wheel alignment after installing these coilovers?

A14: Yes. Professional alignment is strongly recommended after installation and after any major ride-height adjustment. Lowering an IS300 or Altezza changes toe, camber, caster, roll center, and tire contact. Driving without correcting the alignment can cause steering pull, instability, uneven tire wear, or poor braking behavior.

Q15: Do the front camber plates provide enough alignment adjustment?

A15: The product specifications list front pillow-ball top mounts with camber plates and standard rubber rear top mounts. However, the IS300 and Altezza use double-wishbone suspension geometry, so additional camber correction may still require adjustable control arms or other alignment components, especially at very low ride heights. Have the final alignment measured before purchasing extra correction parts.

Q16: Are coilovers better than lowering springs for an IS300 or Altezza?

A16: Coilovers are better when you want adjustable ride height, matched springs and shock absorbers, and greater control over the final stance. Lowering springs are simpler when you only want a mild fixed drop and your existing dampers are still in good condition. A complete coilover kit is usually the more practical choice when the original IS300 shocks and springs are already worn.

Q17: Will these coilovers work with stock and aftermarket wheels?

A17: They can work with many factory wheel setups, but aftermarket wheel fitment depends on wheel width, diameter, offset, tire size, camber, and ride height. Aggressive wheels or a large drop may cause contact with the coilover body, upper control arm, fender liner, or fender edge. Check clearance at full steering lock and throughout suspension travel before regular driving.

Q18: Will I need roll-center adjusters or adjustable suspension arms?

A18: They are not always required for a mild drop. However, significantly lowering an IS300, IS200, or Altezza changes the original suspension geometry and can reduce available alignment range. Roll-center adjusters, adjustable control arms, or toe components may be useful when the car is lowered aggressively or cannot be aligned to the desired specifications.

Q19: What comes with the Flashark coilover kit?

A19: The package includes 2 front coilovers, 2 rear coilovers, and 2 stainless steel adjustment wrenches. This is a complete four-corner suspension kit rather than a single pair of IS300 shocks, replacement springs, or front struts only.

Q20: Can I install these coilovers myself?

A20: An experienced DIY installer with suitable lifting equipment, suspension tools, and torque specifications may be able to install the kit. The product does not include installation instructions, so professional installation is recommended. The installer must set preload, match left-to-right ride height, secure all locking collars, inspect brake-line clearance, and arrange a four-wheel alignment afterward.

Q21: What should I inspect before installing coilovers on an older IS300 or Altezza?

A21: Inspect the lower ball joints, control-arm bushings, sway-bar links, tie rods, wheel bearings, mounting hardware, and tires. Installing firmer coilovers can make existing wear or looseness more noticeable. Replacing damaged supporting components at the same time can improve alignment stability, reduce noise, and protect the new suspension.

Q22: What warranty is included with these Flashark coilovers?

A22: The product specifications list a two-year warranty covering manufacturing defects. Keep your order information and installation records, and inspect the parts before installation. Damage caused by incorrect installation, vehicle modifications, impact, corrosion, or improper adjustment may not be treated as a manufacturing defect.