Swift Springs – Coilover Main Spring – 60mm ID (2.37″)
$200.00
Spring rates are critical for mechanical grip. Swift Springs come part of our Motion Control Suspension coilover packages and we offer springs separately for those that want to fine tune their suspension. Swift Springs are sold in pairs.
5″ Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | |
| kgf/mm | lbs/inch | inch | inch | |
| Z60-127-080 | 8 | 448 | 2.8 | 3.1 |
| Z60-127-100 | 10 | 560 | 2.7 | 3.1 |
| Z60-127-110 | 11 | 616 | 2.7 | 3 |
| Z60-127-120 | 12 | 672 | 2.6 | 3 |
| Z60-127-130 | 13 | 728 | 2.6 | 2.9 |
| Z60-127-140 | 14 | 784 | 2.5 | 2.9 |
| Z60-127-150 | 15 | 840 | 2.5 | 2.8 |
| Z60-127-160 | 16 | 896 | 2.4 | 2.8 |
| Z60-127-170 | 17 | 952 | 2.4 | 2.7 |
| Z60-127-180 | 18 | 1008 | 2.3 | 2.7 |
| Z60-127-200 | 20 | 1120 | 2.3 | 2.6 |
| Z60-127-220 | 22 | 1232 | 2.2 | 2.6 |
| Z60-127-240 | 24 | 1344 | 2.1 | 2.6 |
| Z60-127-260 | 26 | 1456 | 2.1 | 2.5 |
| Z60-127-280 | 28 | 1568 | 2 | 2.4 |
| Z60-127-300 | 30 | 1680 | 2 | 2.4 |
| Z60-127-320 | 32 | 1792 | 2 | 2.3 |
| Z60-127-340 | 34 | 1904 | 1.9 | 2.3 |
| Z60-127-380 | 38 | 2128 | 1.8 | 2.2 |
| Z60-127-420 | 42 | 2352 | 1.8 | 2 |
| Z60-127-460 | 46 | 2576 | 1.7 | 1.9 |
| Z60-127-500 | 50 | 2800 | 1.6 | 2 |
6″ Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | |
| kgf/mm | lbs/inch | inch | inch | |
| Z60-152-040 | 4 | 224 | 4 | 4.1 |
| Z60-152-050 | 5 | 280 | 3.7 | 4.1 |
| Z60-152-060 | 6 | 336 | 3.7 | 3.9 |
| Z60-152-070 | 7 | 392 | 3.5 | 3.8 |
| Z60-152-080 | 8 | 448 | 3.3 | 3.8 |
| Z60-152-090 | 9 | 504 | 3.1 | 3.7 |
| Z60-152-100 | 10 | 560 | 2.9 | 3.8 |
| Z60-152-110 | 11 | 616 | 2.8 | 3.8 |
| Z60-152-120 | 12 | 672 | 2.8 | 3.7 |
| Z60-152-130 | 13 | 728 | 2.7 | 3.6 |
| Z60-152-140 | 14 | 784 | 2.7 | 3.6 |
| Z60-152-150 | 15 | 840 | 2.8 | 3.4 |
| Z60-152-160 | 16 | 896 | 2.7 | 3.4 |
| Z60-152-180 | 18 | 1008 | 2.6 | 3.4 |
| Z60-152-200 | 20 | 1120 | 2.5 | 3.2 |
| Z60-152-220 | 22 | 1232 | 2.5 | 3.1 |
| Z60-152-240 | 24 | 1344 | 2.4 | 3.1 |
| Z60-152-260 | 26 | 1456 | 2.3 | 3.1 |
| Z60-152-280 | 28 | 1568 | 2.3 | 3 |
| Z60-152-300 | 30 | 1680 | 2.2 | 2.8 |
| Z60-152-320 | 32 | 1792 | 2.1 | 2.8 |
| Z60-152-340 | 34 | 1904 | 2.2 | 2.6 |
7″ Springs
| PART # | SPRING RATE | USABLE STROKE | MAX STROKE | |
| kgf/mm | lbs/inch | inch | inch | |
| Z60-178-040 | 4 | 224 | 4.6 | 4.7 |
| Z60-178-050 | 5 | 280 | 4.4 | 4.5 |
| Z60-178-060 | 6 | 336 | 4.1 | 4.5 |
| Z60-178-070 | 7 | 392 | 3.8 | 4.5 |
| Z60-178-080 | 8 | 448 | 3.7 | 4.4 |
| Z60-178-090 | 9 | 504 | 3.4 | 4.4 |
| Z60-178-100 | 10 | 560 | 3.3 | 4.4 |
| Z60-178-110 | 11 | 616 | 3.2 | 4.3 |
| Z60-178-120 | 12 | 672 | 3.1 | 4.3 |
| Z60-178-130 | 13 | 728 | 3.2 | 4.1 |
| Z60-178-140 | 14 | 784 | 3.1 | 4.1 |
| Z60-178-150 | 15 | 840 | 3 | 4 |
| Z60-178-160 | 16 | 896 | 3 | 4 |
| Z60-178-180 | 18 | 1008 | 2.8 | 4 |
| Z60-178-200 | 20 | 1120 | 2.8 | 3.9 |
| Z60-178-220 | 22 | 1232 | 2.8 | 3.7 |
| Z60-178-240 | 24 | 1344 | 2.7 | 3.6 |
| Length | 5", 6", 7" |
|---|---|
| Rate | 8 kg, 10 kg, 11 kg, 12 kg, 13 kg, 14 kg, 15 kg, 16 kg, 17 kg, 18 kg, 20 kg, 22 kg, 24 kg |
| Brand | Swift |
| Chassis | E30, E36, E36/7 / E36/8 Z3, E39, E46, E60 / E61, E85 / E86 Z4, E90 E91 E92 E93 |
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