WHITELINE KTA139A Rear Lower Control Wrx/sti

( Brand: Whiteline ), ( Manufacturer Part Number: KTA139A ), ( Part Type: Control )

Review WHITELINE Subaru Wrx/sti Adjustable Rear Lower Control fits BRZ WRX STI 2007–2022

Introducing the Whiteline KTA139A Rear Lower Control Arm for select Subaru models, including the BRZ from 2012 to 2022 and WRX/STI. This high-performance aftermarket part is an essential upgrade for those seeking superior handling and enhanced driving dynamics.

The KTA139A is engineered and manufactured using premium materials and advanced manufacturing techniques. It is specifically designed to provide improved rigidity and precision compared to the OEM control arm. The result is reduced body roll during cornering, improved steering response, and overall better vehicle control.

The arm features a unique design with reinforced bushings that offer increased support and durability. The bushings are made from a high-performance material that provides excellent resistance to deflection, ensuring consistent contact between the control arm and the vehicle chassis. This reduces unwanted play and improves the overall feel of the suspension system.

Another notable feature of the Whiteline KTA139A is its adjustability. The control arm includes adjustable camber plates that allow for fine-tuning of the suspension geometry. This feature is particularly valuable for those who frequently track their vehicles or seek optimal handling characteristics for various driving conditions.

Additionally, the KTA139A is designed to work seamlessly with other Whiteline suspension upgrades, such as their adjustable sway bars and adjustable coilovers. This makes it an excellent choice for those who are building a comprehensive performance upgrade package for their Subaru BRZ, WRX, or STI.

Installation of the Whiteline KTA139A is straightforward and can be completed by an experienced DIYer or a professional mechanic. It comes with all necessary hardware for installation, and detailed instructions are provided to ensure a trouble-free installation process.

In summary, the Whiteline KTA139A Rear Lower Control Arm is an excellent upgrade for those seeking improved handling and enhanced driving dynamics for their Subaru BRZ, WRX, or STI. Its unique design, premium materials, and adjustability make it a valuable addition to any performance suspension upgrade package.

Pros and Cons of Buying Whiteline KTA139A Rear Lower Control Arm for 2012 Subaru BRZ (07-22 WRX/STI)

The Whiteline KTA139A rear lower control arm is a popular aftermarket upgrade for Subaru BRZ (07-22 WRX/STI) models. This component is designed to improve handling and performance by enhancing the stability of the vehicle's rear suspension. Let's explore the potential advantages and disadvantages of investing in this part.

1. Enhanced Handling: The primary benefit of installing a Whiteline KTA139A rear lower control arm is improved handling. This component is designed to reduce body roll and improve the responsiveness of the vehicle, resulting in a more engaging driving experience.

2. Increased Stability: By upgrading the rear lower control arm, you can also expect increased stability. This is particularly beneficial when pushing the limits of your vehicle on the track or during aggressive driving.

3. Durability: Whiteline is known for producing high-quality components. The KTA139A rear lower control arm is no exception. It is constructed from heavy-duty materials, ensuring that it can withstand the rigors of daily driving and more demanding conditions.

4. Adjustability: Some versions of the KTA139A rear lower control arm offer adjustability, allowing you to fine-tune the suspension settings to better suit your driving style or track conditions.

1. Cost: The Whiteline KTA139A rear lower control arm is not an inexpensive upgrade. Depending on your location and the specific version you choose, you may pay anywhere from $300 to $600 or more.

2. Installation Complexity: Installing the Whiteline KTA139A rear lower control arm can be a challenging process. It involves removing several components from the rear suspension, which may require a significant investment of time and effort.

3. Potential Noise: Some users have reported that the Whiteline KTA139A rear lower control arm produces a noticeable noise, particularly during aggressive driving or when the vehicle is cold. This may be due to the stiffer bushings used in the design.

The Whiteline KTA139A rear lower control arm is an excellent upgrade for those seeking to improve the handling and stability of their Subaru BRZ (07-22 WRX/STI). While it comes with some costs and challenges, the benefits it provides can be significant. If you're willing to invest the time, money, and effort, this component can help you unlock the full potential of your vehicle.

If you're serious about improving the performance of your Subaru BRZ (07-22 WRX/STI), the Whiteline KTA139A rear lower control arm is a worthy investment. However, before making a purchase, be sure to do your research and consider the pros and cons carefully. Additionally, be prepared for the installation process, which may require some patience and expertise. Ultimately, if you're looking for a high-quality, durable, and effective suspension upgrade, the Whiteline KTA139A rear lower control arm is an excellent choice.

Details:

This results in improved traction, increased cornering grip and better tyre life - ultimately improving overall performance. Heavy duty control arms provides on car adjust ability of camber alignment. Whiteline Control arm - lower assembly camber/toe correction MOTORSPORT.

part #: kta139a prices

• $387.20-$440.47

specifications camberkitie:

• for models: Brz, Wrx, Sti
• for makes: Subaru
• for years: 2007-2022
• brand: Whiteline
• mpn: Kta139a
• part type: Control

offer camberkitie:

• started: June 2, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 4

seller camberkitie:

• city: Phoenix, Arizona
• # reviews: 476
• rating: 99.2%

general camberkitie:

• condition: New
• Car Truck Parts Accessories > Steering Suspension > Camber Caster Parts

shipping camberkitie:

• cost: $13.99
• service: FedEx Ground or FedEx Home Delivery
• type: Fixed
• carrier: FedEx
• class: Standard
• transit: 2-5 Days

returns camberkitie:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

payments camberkitie:

• credit card: Diners-club
• other
• wallet: Apple-pay

Whiteline KTA139A Is Similar To:

• Kbr21-20 Whiteline Rear Heavy Duty (30.5% similar) For time sensitive orders please faster shipping if needed. We some times use a generic photo. Please prior to buying if you live in one of these areas. TIER1 motor sports shall have the right to refuse or cancel any such orders whether not order has been confirmed and your credit card charged. ...(July 19th, 2017)
• Kca307 Whiteline Rear Control Arm (37.6% similar) Chassis control bushings. Our engineered elastic feature the quality ride of rubber at lower speeds and higher react when under cornering, accelerating braking loads, for improved handling. Listing data is catalog provider. 24X7 online. Camber and toe kits, caster anti lift roll bump steer ...(May 8th, 2017)
• Kca316 Whiteline Front Control Arm (35.6% similar) 5DEG position: front: item images may be generic stock images, not vehicle specific. It should also be noted that these characteristic can reversed into a pro as in pro-lift at the front under braking. Anti features can only be implemented under the influence of braking or accelerating forces at ...(November 25th, 2017)
• Kca321 Whiteline Front Lower Inner (37.3% similar) 617LBS4 6/1 0 KCA321VEHICLE gallant Hg, HHS fwd Mitsubishi VR4 AWD. Notes: important adds bush type bush Toyoda AA abide bl CF FL doc tube qty size similar bushing SIZE10248MM 20. Whiteline front lower inner control arm bushing gallant fwd AWD KCA321 caster kits are designed to improve cornering ...(June 10th, 2017)
• Kca347 Whiteline Alignment Camber Upper Ctrl Arm Fits Nissan 9319924342525 (27.8% similar) At adopts...(February 3rd, 2019)
• Kca348 Whiteline For Nissan Skyline Gtr Upper Control Arm 9319924342532 (29.7% similar) Camber caster toe anti geometry what is it. The inclination of wheel from vertical when viewed front. Vehicle manufacturers are aware of the advantages caster and as each new model is released amount specified increases. This happens because as the driven front wheels claw for traction, they pull ...(May 25th, 2018)
• Kca366 Whiteline Front Control Arm-lower (33.9% similar) It may fit on foreign vehicle. Whiteline front control arm-lower inner bushing caster for civic CV: - arm lower rear correction P/N: KCA366 installation guide model year Honda eh, eke Cr-v RD1-RD3 product benefits: bush kits are designed to improve handling performance vehicle straight line ...(February 9th, 2018)
• Kca378 Whiteline Front Upper Control Arm (37.1% similar) Get these at a one time discounted price. This listing is for an open box Whiteline KCA378 eccentric front upper control arm bushings most Honda and integrals. 4MM inside diameter: 21. 6MM length : 38. Bushing type: 10BUSHING quantity: 4OUTSIDE diameter: 34...(March 5th, 2017)
• Kca394 Whiteline Rear Control Arm (37.6% similar) Therefore the previous requirements for large amounts of static negative camber are disappearing. In a corner the inside front tyre will turn at less of an angle than outside. Anti features can only be implemented under the influence of braking or accelerating forces at wheels, for example a rear ...(February 8th, 2018)
• Kca421 Whiteline Alignment Kit Fits Mazda 9319924382972 (31.7% similar) This part fits vehicles made in the following years 2004 , 2005 , 2006 , 2007 , 2008 , 2009 , 2010 , 2011 . Whiteline has the products and practical experience to maximize potential of your vehicle whether it be a daily driver, street performance or motor sport guarantees quality, tested ...(May 19th, 2018)
• Kca429 Whiteline Control Arm Lower (28.8% similar) If item is defective. It may fit on foreign vehicle. Anywhere within us 28. Replace these worn bushings with Whiteline control arm for chassis adjustment notes caster type offset on car adjustable no round shell - adds...(June 3rd, 2017)