Swift Racing ID 70mm/7inch Springs have become known as superior springs for racing conditions combining extremely high strength and spring performance with light weight materials.
Features
- High strength steel wide H5S.TW exclusive to Swift
- Lightweight and highly durable construction with excellent resistance to sag and fatigue
- As used in JGTC, Super Endurance and Gymkhana
Specifications
- 7inch - 178.0mm
- Royal Green Metallic
We ship to the United States and 150 other countries.
Japan Post EMS & ePacket, FedEx, DHL and more.
| Spring Rate | Max Length | Max Load | Quantity | Price | Order |
|---|---|---|---|---|---|
| Z70-178-040 | |||||
| 4.0 kgf/mm | 112.0 mm | 448 kgf | 2 | | |
| Z70-178-050 | |||||
| 5.0 kgf/mm | 109.0 mm | 545 kgf | 2 | | |
| Z70-178-060 | |||||
| 6.0 kgf/mm | 106.0 mm | 636 kgf | 2 | | |
| Z70-178-070 | |||||
| 7.0 kgf/mm | 100.0 mm | 700 kgf | 2 | | |
| Z70-178-080 | |||||
| 8.0 kgf/mm | 101.0 mm | 808 kgf | 2 | | |
| Z70-178-090 | |||||
| 9.0 kgf/mm | 93.0 mm | 837 kgf | 2 | | |
| Z70-178-100 | |||||
| 10.0 kgf/mm | 92.0 mm | 920 kgf | 2 | | |
| Z70-178-120 | |||||
| 12.0 kgf/mm | 87.0 mm | 1044 kgf | 2 | | |
| Z70-178-140 | |||||
| 14.0 kgf/mm | 82.0 mm | 1148 kgf | 2 | | |
| Z70-178-160 | |||||
| 16.0 kgf/mm | 79.0 mm | 1264 kgf | 2 | | |
| Z70-178-180 | |||||
| 18.0 kgf/mm | 77.0 mm | 1386 kgf | 2 | | |
| Z70-178-200 | |||||
| 20.0 kgf/mm | 73.0 mm | 1460 kgf | 2 | | |
Swift springs are the motorsport brand of Tokyo Hatsujyo Seisakusho, known as Tohatsu Springs, a Tokyo spring maker that has been winding coil springs since 1924. It was incorporated in 1938.
Swift makes lightweight, durable coil springs for racing and sport driving, alongside the Sport Mach springs for road cars and stabilizer bars.
Associated JDM Parts
Spoon Blue Wide Rear View Mirror
Swift Springs Helper Spring + Spacers + Sheets
326 Power Gachi Stop Brake Kits
326 Power Nobori Banner Flag
About Nengun Performance
Since the year 2000, Nengun Performance has supplied over 500,000 parts direct from Fukuoka, Japan to 170 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.













