SWIFT SPRINGS 4T914R Lowering USC10

( Brand: Swift Springs ), ( Manufacturer Part Number: 4T914R ), ( Performance Part: Yes )

Review SWIFT SPRINGS Spec r Lowering Lexus fits RC 2015

Swift Springs is a renowned manufacturer of high-performance suspension components, and their 4T914R Spec-R Lowering Springs for the 2015 Lexus USC10 (also known as the IS250) are no exception. These springs offer a perfect balance of performance and comfort, making them an excellent choice for those seeking to enhance their vehicle's handling and appearance.

The Swift Springs 4T914R Spec-R Lowering Springs are specifically designed to fit the 2015 Lexus IS250 (USC10). These springs are notched to accommodate the OEM shock absorbers and are constructed of SAE 9254V cold-wound, high-tensile spring steel. This material ensures both durability and the ability to handle increased loads, making the springs suitable for both daily driving and track use.

These springs provide a noticeable yet controlled ride height reduction, giving your IS250 a more aggressive and sporty look while also improving its handling characteristics. The lower center of gravity results in improved stability, better cornering ability, and a more responsive feel.

Swift Springs are known for their unique design, which features a progressive rate. This means that the spring rate increases as the vehicle compresses, providing optimal control and handling without compromising comfort. The springs' progressive rate also ensures that the vehicle remains composed during hard cornering, reducing body roll and improving overall handling.

Installing the Swift Springs 4T914R Spec-R Lowering Springs on your 2015 Lexus IS250 is a straightforward process. They are designed to work with the OEM shock absorbers, and no modifications are required to the vehicle's suspension. However, it is always recommended to have your vehicle inspected by a professional mechanic to ensure a safe and proper installation.

In summary, the Swift Springs 4T914R Spec-R Lowering Springs for the 2015 Lexus IS250 offer improved handling and a more aggressive appearance. Made of high-tensile spring steel, these springs are durable, suitable for daily driving, and track use. Their progressive rate design ensures optimal control and handling without compromising comfort. Installing them is a straightforward process, and they work seamlessly with the OEM shock absorbers.

Swift Spring's 4T914R Spec-R lowering springs are a popular choice among Lexus USC10 (15th generation IS250/IS350) owners for enhancing the vehicle's handling and appearance. However, like any aftermarket modification, these springs come with their own set of pros and cons.

1. Improved Handling: Swift Spring's Spec-R lowering springs reduce the vehicle's ride height, which lowers the center of gravity, improving handling and stability, especially during cornering.

2. Enhanced Look: The lower ride height and sportier stance provided by Swift Spring's Spec-R lowering springs give the Lexus USC10 a more aggressive and unique appearance.

3. High-Quality Material: Swift Spring's Spec-R springs are made of high-quality SAE9254V spring steel, ensuring durability and resistance to rust and fatigue.

4. Progressive Rate: The springs have a progressive rate design, which provides a more comfortable ride compared to linear rate springs, as the force applied to the springs increases gradually as the vehicle compresses.

1. Stiffer Ride: Despite the progressive rate design, the Swift Spring's Spec-R lowering springs offer a stiffer ride compared to the stock springs. This may result in more noticeable road imperfections and a less comfortable ride.

2. Cost: Aftermarket springs like Swift Spring's Spec-R lowering springs can be more expensive than stock springs. The cost may vary depending on the retailer and the market conditions.

3. Installation: Installing aftermarket springs requires some mechanical knowledge and expertise, or professional installation services. This can add to the overall cost and time investment.

Swift Spring's 4T914R Spec-R lowering springs offer several benefits, including improved handling, enhanced appearance, high-quality materials, and progressive rate design. However, they also come with some drawbacks, such as a stiffer ride, higher cost, and installation requirements. Ultimately, the decision to purchase these springs depends on the individual's priorities and preferences. If handling and appearance are top priorities, then these springs may be a worthwhile investment. However, if a more comfortable ride is a priority, then it may be best to stick with the stock springs.

Before making a decision, it is recommended to research and compare different aftermarket spring options, considering factors such as cost, ride quality, and handling improvement. Consulting with a knowledgeable mechanic or professional installer can also provide valuable insights and guidance. Ultimately, the choice depends on the individual's preferences and priorities, as well as their budget and technical capabilities.

Details:

Track Tested and Tuned for optimum performance yet keeps the quality ride you get from showroom, adds improved handling lower height driving enthusiasts minded drivers who demand only best.From HPDE events to SCCA competition, Swift Spec-R Sport Springs are made track enthusiast looking take their vehicle next level ift were engineered with 3 characteristics in mind.Modified compared sport Springs maximize optimal suspension geometry. Chassis Code: us. All testing is done on manufactures original shock absorbs. Further increasing the spring rate to enhance overall performance.

Maintaining optimal comfort level for street use. The increase in spring rate is based on the upper limits of vehicles factory shock valving. Manufacturer: Swift Springs, Part Number: 4T914R, condition: New: Spec-R Springs ift Spec-R Springs are designed at the upper limits of OEM shock valving.

part #: 4t914r prices

• $65.55-$1195.00

specifications lowerlageen:

• for models: Rc
• for makes: Lexus
• for years: 2015
• brand: Swift Springs
• manufacturer part number: 4T914R
• performance part: Yes

shipping lowerlageen:

• service: Standard
• cost: $0.00
• transit: 3-7 Days
• type: Fixed
• class: Standard

seller lowerlageen:

• # reviews: 111218
• city: San Leandro, California
• rating: 99.7%

general lowerlageen:

• Auto Permance Parts > Chassis, Suspension Brakes > Lower Kits Parts
• condition: New

payments lowerlageen:

• credit card: Discover
• other
• wallet: Paypal

returns lowerlageen:

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

offer lowerlageen:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: October 13, 2025
• quantity: 2

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