Description
Ascend CS02 Track Wheels 18×9.5 5×114.3 ET40 CB73.1mm
Popular Fitment :
Honda Civic incl. SI 10th & 11th Gen
Subaru WRX and WRX STI (GR,VA,VB)
Subaru BRZ Gen 1 & Gen 2
Honda Civic incl SI Fitment
Recommended 18” Performance Setup – Honda Civic (10th & 11th Gen)
This 18×9.5 ET40 square setup is designed for drivers looking to achieve a flush, aggressive stance while maximizing tire width for improved grip and performance.
Depending on the exact setup, minor modifications may be required to optimize clearance and fitment.
Wheel Fitment
Front & Rear: 18×9.5 ET40
Designed to fill out the wheel wells for a more aggressive look
May require minor adjustments depending on suspension and tire choice
Recommended Tire Sizes
255/35-18 – Performance Fitment
- A well-balanced size that offers strong grip and a flush appearance.
- Negative camber is typically recommended to ensure proper clearance and optimal tire wear
245/35-18 – Conservative Fitment
- A slightly narrower option for easier installation and improved clearance.
- Often direct fit on most setups
Mild negative camber may be required depending on suspension and tire profile
265/35-18 – Maximum Grip Option
- A wider setup for more aggressive builds and track-focused use.
- Negative camber is recommended
Fender rolling may be required to prevent rubbing under compression
Subaru WRX & WRX STI Fitment
Recommended 18” Performance Setup – Subaru WRX (VA & VB)
This 18×9.5 ET40 square setup is a very popular fitment for WRX and STI models, offering a strong balance of flush appearance, wide tire compatibility, and performance for both street and track use.
Wheel Fitment
Front & Rear: 18×9.5 ET40
Fills out the wheel wells for a flush, aggressive look
Works well with a wide range of performance tire sizes
Recommended Tire Sizes
265/35-18 – Performance Fitment
- A widely used size that delivers excellent grip while maintaining good overall fitment.
- Typically direct fit on most setups
- Negative camber is recommended to prevent rubbing under suspension compression, especially with wider or aggressive tire compounds
255/35-18 – Conservative Fitment
- A slightly narrower option that offers easier fitment and improved clearance.
- Generally direct fit with minimal modifications
- Suitable for both daily driving and performance use
275/35-18 – Wider Track Option
- For drivers looking for increased grip and a more aggressive setup.
- Negative camber recommended
- Fender rolling may be required depending on tire profile and suspension setup
285/30-18 – Maximum Fitment
- An aggressive setup intended for advanced builds and track-focused cars.
- Significant negative camber required
- Fender rolling required
- Best suited for experienced setups prioritizing maximum tire width
Subaru BRZ Gen 1 & Gen 2 Fitment
Recommended 18” Performance Setup – Subaru BRZ
This 18×9.5 ET40 square setup is a popular upgrade for the BRZ platform, offering increased tire width, improved grip, and balanced handling for both street and track use.
Wheel Fitment
Front & Rear: 18×9.5 ET40
- Square setup allows for better balance and tire rotation
- Designed to support wide performance tire setups
Recommended Tire Sizes
255/35-18 – Performance Fitment
A well-rounded setup that offers strong grip and responsiveness.
- Requires approximately -2.5° camber front & rear
- Gen 1: Typically achievable with standard bolt-on suspension mods
- Gen 2: Requires aftermarket suspension and rear quarter panel trimming
265/35-18 – Wider Track Option
For drivers looking to maximize grip.
- Requires approximately -3° camber front & rear
- Gen 1: Aggressive but achievable with proper alignment
- Gen 2: Requires suspension upgrades + rear quarter panel trimming
245/35-18 – Conservative Option
A slightly narrower setup for improved clearance.
- Requires approximately -2.5° camber front & rear
- Gen 1: More forgiving fitment
- Gen 2: Still requires rear quarter panel trimming
Fitment Notes
Gen 1 (2013–2020):
- More forgiving overall fitment
- Primarily requires proper alignment (camber) depending on tire size
Gen 2 (2022+):
- Significantly more aggressive fitment
- Requires aftermarket suspension, alignment adjustments, and body modifications (rear quarter panel trimming)
- Not recommended for factory suspension setups
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