Some collected factory and OEM spring specs
| Manufacturer | Description/ SKU | Axle | Wire Diameter | Coil Inner Diameter | Free Length | Number of Active Coils | Rating |
|---|---|---|---|---|---|---|---|
| Mazda | 1990-93 MT | F | 0.43 | 3.27 | 11.12 | 5.91 | 164.17 |
| Mazda | 1990-93 MT | R | 0.4 | 3.27 | 13.37 | 7.68 | 96.94 |
| Mazda | 1990-93 AT | F | 0.43 | 3.27 | 11.52 | 6.32 | 153.52 |
| Mazda | 1990-93 AT | R | 0.4 | 3.27 | 13.68 | 7.96 | 93.53 |
| Mazda | 1994 MT | F | 0.43 | 3.27 | 11.52 | 6.32 | 153.52 |
| Mazda | 1994 MT | R | 0.4 | 3.27 | 13.72 | 7.68 | 96.94 |
| Mazda | 1994 AT | F | 0.43 | 3.27 | 11.52 | 6.32 | 153.52 |
| Mazda | 1994 AT | R | 0.4 | 3.27 | 13.68 | 7.96 | 93.53 |
| Mazda | 1997 MT | F | 0.43 | 3.27 | 11.41 | ||
| Mazda | 1997 MT | R | 0.4 | 3.27 | 14.17 | ||
| Autolinkuk | 2022 list | F | 0.45 | 3.27 | 11.02 | 7 | |
| Autolinkuk | 2022 list | R | 0.4 | 3.27 | 14.17 | 9 | |
| Kayaba K-Flex | RA1433 | F | 0.425 | 3.16 | 11.42 | ||
| Kayaba K-Flex | RA5666 | R | 0.39 | 3.23 | 14.13 | ||
| Kayaba K-Flex | RA6283 | R | 0.405 | 3.24 | 12.79 | ||
| Quinton Hazell | QCS6888 | F | 11.38 | ||||
| Quinton Hazell | QCS6216 | R | 14.29 | ||||
| Quinton Hazell | QCS7681 | R | 12.83 | ||||
| Suplex | 17090 | F | 11.38 | ||||
| Suplex | 17086 | R | 14.29 | ||||
| Suplex | 17087 Bilstein | R | 12.83 | ||||
| TRW | F | ||||||
| TRW | JCS402 | R | 14.29 | ||||
| Eibach | F5517001 | F | 8.94 | ||||
| Eibach | F5517002 | R | 10.43 | ||||
| Sachs | 998 622 | F | 11.38 | Discontinued | |||
| Sachs | 996 824 | R | 14.29 | ||||
| SKF | VKDL 84045 | F | 11.4 | ||||
| SKF | VKDL 84010 | R | 14.29 | ||||
| SKF | VKDL 84052 | R | 12.84 | ||||
| Spidan | 85162 | F | 11.4 | ||||
| Spidan | 55699 | R | 14.29 | ||||
| Optimal | AF-2606 | F | 11.4 | ||||
| Optimal | AF-2602 | R | 14.29 | ||||
| Optimal | AF-2603 | R | 12.87 | ||||
| Diederichs | 9982169 | F | 11.42 | ||||
| Diederichs | 9982193 | R | 14.17 | ||||
| Diederichs | 9985628 | R | 12.8 |