Toyota Supra A90

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SWIFT Spec R Lowering Springs Kit for Toyota Supra A90 - 4T919R

SWIFT Spec R Lowering Springs Kit for Toyota Supra A90 - 4T919R

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$314.99

$419.00

SKU: SWIF-4T919R


  • BUILT FOR TRACK DUTY, THESE SPRINGS ARE DESIGNED AT THE UPPER LIMITS OF THE OEM DAMPER VALVING. TRACK TESTED AND TUNED, FOR OPTIMUM PERFORMANCE, YET COMFORTABLE ENOUGH FOR A DAILY DRIVER.

  • Made in Japan

  • Front Kg/mm: 4.8

  • Rear Kg/mm: 12.0

  • Front Drop: -1.2 in

  • Rear Drop: -1.2 in

Description

Details

SPEC-R SPRINGS
BUILT FOR TRACK DUTY, SWIFT SPEC-R SPRINGS ARE DESIGNED AT THE UPPER LIMITS OF THE OEM SHOCK VALVING. TRACK TESTED AND TUNED FOR OPTIMUM PERFORMANCE YET COMFORTABLE ENOUGH FOR A DAILY DRIVER.

Swift made Sport Springs keeps the quality ride you get from the showroom, and adds improved handling and lower ride height for driving enthusiasts and style minded drivers who demand only the best.

From HPDE events to SCCA competition, Swift Spec-R Sport Springs are made for the track enthusiast looking to take their vehicle to the next level.

Swift Spec-R Sport Springs were engineered with 3 characteristics in mind.
Modified ride height compared to Sport Springs to maximize optimal suspension geometry.
Further increasing the spring rate to enhance overall performance. The increase in spring rate is based on the upper limits of the vehicles factory shock valving.
Maintaining optimal comfort level for street use.

Spec R springs are wound with the same engineering and material as our sports springs. With the exception of stiffer rates and slight change in ride height; you can expect the same characteristics as our sports springs.

Swift Springs Manufacturing Philosophy

Swift Springs was founded in 1997 in Tokyo Japan as a motor sports division of Tokyo Hatsujo Manufacturing Co, Ltd. that has been leading the spring industry since 1924
The purpose was to demonstrate our superior engineering in spring by developing the next generation of motor sports suspension coil springs. They had to have the best characteristics of any brand or design in the market, which required the springs to be the lightest in weight and most durable, and to exhibit the most linear characteristics while still being cost effective.
Since the formation of Swift, it has been lead by the former racer and suspension expert, Kei Yokota, and the chief engineer, Yasu Saito.
Their first-hand involvement within the race industry has propelled Swift quickly through the ranks of some of the world’s most reputable races. Swift springs quickly became one of the most recognized and respected name in performance coil springs in many genre of motor sports throughout the world. Being a part of the Tokyo Hatsujo spring corporation. Swift has a large collection of engineering research and development resources. Tokyo Hatsujo springs are used in most light to heavy industries and the dynamic has provided Swift with most advanced spring technologies and innovations available.
In Swift’s impressive motor sports history dated back to 1998, first was with Nissan Skyline GT-R in the Super Taikyu Endurance championship series in Japan. Then Swift got involved with the championship teams in Le Mans 24hrs, Nurburgring 24hrs, Super GT (JGTC), Super Taikyu series, D-1 World Grand Prix, F3, F3000, Formula Toyota, and many other world class races.
In 2004, Team Goh Audi R8 won 1st place at the world renowned Le Mans 24hrs race on swift springs.

Swift Springs Manufacturing Philosophy

Maintaining tire grip is the key to faster times and suspension springs take on an enormous portion of this task!
All Springs are not created equal, the diameters and spring rates can be similar, but the process of manufacturing springs plays a huge factor in how they will perform. Through our extensive knowledge in performance springs, we have perfected the process of manufacturing springs that will outperform our competitors.
With this in mind, we set out to produce a new material for coil springs: a proprietary steel alloy we call "HS5.TW". This material was created in order to maintain the 4 factors listed above, as well as achieving the fastest reaction speed possible to get compliance on road surface conditions. Our springs are created with proprietary winding methods, as well as some other trade secrets focused on ensuring our springs separation from the standard market.
In the time since Swift Springs officially opened its doors in 1997, Swift Springs has dealt with many world class race teams in multitudes of different races including road racing, rally, off road, drift, autocross, pavement and dirt oval track, motorcycles, and more. Swift Springs has lifted many racers to a podium finish, and is still continuing to do so. With so much experience behind us, we feel confident that our springs will give you a leg up in any kind of race you participate in.
Try Swift Springs on your vehicle, and experience what many racers are talking about. We strongly believe that you will feel the difference just like every other racer, and you might even wonder why you didn't try it sooner.
Note: Some of our racers are using Swift Springs on 2 corners only, but to achieve the best results from Swift Springs, we highly recommend using them in all corners of the vehicle due to the very different characteristics of Swift springs.

Swift Springs are designed to work with OEM or Aftermarket Shocks

Every Swift Spring is prototyped on OEM vehicles to ensure the highest level of performance. By working around the OEM dampers, it ensure that every spring will work for a daily driver or a weekend track driver.



Purchase with Confidence. We are authorized.

What does Buying from an Authorized Swift Springs Dealer mean? Working direct with Swift Springs, Mod in Japan can offer our customers the confidence of buying authentic Swift Springs Products so you can get the best quality and fitting product available. In addition you have the support of a manufacturer warranty at purchase, so if there are any defects from the manufacturer at purchase, just let us know and we can help with your warranty.

Additional Information

Brand Swift Springs
Material Steel-Powder Coated
Rear Drop (Inches) -1.2
Front Spring Rates 5 kg
Rear Spring Rates 14 kg

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