Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Chassis Components› Bushings and Mounts
Whiteline
Whiteline 02-07 Subaru WRX Sedan and Wagon / 03-07 Subaru Impreza Non-Turbo / 04-07 Subaru STi / 93-
SKU: W00A KCA375
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: KCA375
Whiteline caster kits are designed to improve cornering grip and vehicle straight line stability through increased static caster and dynamic negative camber gain. In addition, synthetic elastomer bushings provide improved steering feedback and braking performance.
Features:
- Engineered to alter/ optimise caster alignment to maximize tyre contact patch during roll, improve turn-in response & increase directional stability.
- Featuring premium anodized alloy materials, Whiteline alloy products are anodized providing a long-lasting protective barrier to corrosion and wear but they look great too.
- Install guide included providing detailed instructions on how to install your new Whiteline purchase.
- Internal grease reservoirs provide continual self lubrication for optimum friction management.
- Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.
- Whiteline's latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
Whiteline Control arm - lower inner rear bushing.
Vehicle Symptoms
- Vehicle wanders or drifts on highway
- Steering feels vague or loose on center
- Poor cornering grip or turn-in response
- Uneven tire wear on front edges
- Car pulls to one side under braking or acceleration
Relevant Conversations
- How to fix poor straight-line stability on highway
- Whiteline KCA375 caster correction bushings review
- Symptoms of incorrect caster alignment on my car
- Car wanders after alignment – caster adjustment needed?
- Best caster correction bushings for improved handling
- Whiteline vs SuperPro caster correction bushings
- Install caster bushings to fix vague steering
- DIY install of Whiteline KCA375 control arm bushings
- Caster correction bushings for lowered suspension
- Forum: caster bushings made a huge difference in handling
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Whiteline |
| Part Number | W00A KCA375 |
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy