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Swift Springs metric coilover springs with a 65mm inner diameter. We list 7 free lengths, from 102mm or 4 inches to 254mm or 10 inches, and 108 spring rates from 3 to 50 kgf/mm, which is 168 to 2800 lbs/in. Each listing is a set of 2 springs made in Japan from Swift H5S.TW alloy steel.

The table below lists every length and rate we sell in 65mm ID, with the Swift part number. lbs/in values use the conversion in Swift's own tables, 1 kgf/mm = 56 lbs/in. Swift helper and assist springs are on the Swift Helper Springs page.

Lengths: 102mm (4 in), 127mm (5 in), 152mm (6 in), 178mm (7 in), 203mm (8 in), 229mm (9 in), 254mm (10 in).

Length mm Length in Rate kgf/mm Rate lbs/in Part number
102 4 18 1008 Z65-102-180
102 4 20 1120 Z65-102-200
102 4 22 1232 Z65-102-220
102 4 24 1344 Z65-102-240
102 4 26 1456 Z65-102-260
102 4 28 1568 Z65-102-280
102 4 30 1680 Z65-102-300
102 4 32 1792 Z65-102-320
102 4 34 1904 Z65-102-340
102 4 38 2128 Z65-102-380
102 4 42 2352 Z65-102-420
102 4 46 2576 Z65-102-460
102 4 50 2800 Z65-102-500
127 5 8 448 Z65-127-080
127 5 10 560 Z65-127-100
127 5 12 672 Z65-127-120
127 5 14 784 Z65-127-140
127 5 16 896 Z65-127-160
127 5 18 1008 Z65-127-180
127 5 20 1120 Z65-127-200
127 5 22 1232 Z65-127-220
127 5 24 1344 Z65-127-240
127 5 26 1456 Z65-127-260
127 5 28 1568 Z65-127-280
127 5 30 1680 Z65-127-300
127 5 32 1792 Z65-127-320
127 5 34 1904 Z65-127-340
127 5 38 2128 Z65-127-380
127 5 42 2352 Z65-127-420
127 5 46 2576 Z65-127-460
127 5 50 2800 Z65-127-500
152 6 4 224 Z65-152-040
152 6 5 280 Z65-152-050
152 6 6 336 Z65-152-060
152 6 7 392 Z65-152-070
152 6 8 448 Z65-152-080
152 6 9 504 Z65-152-090
152 6 10 560 Z65-152-100
152 6 11 616 Z65-152-110
152 6 12 672 Z65-152-120
152 6 13 728 Z65-152-130
152 6 14 784 Z65-152-140
152 6 15 840 Z65-152-150
152 6 16 896 Z65-152-160
152 6 18 1008 Z65-152-180
152 6 20 1120 Z65-152-200
152 6 22 1232 Z65-152-220
152 6 24 1344 Z65-152-240
152 6 26 1456 Z65-152-260
152 6 28 1568 Z65-152-280
152 6 30 1680 Z65-152-300
152 6 32 1792 Z65-152-320
152 6 34 1904 Z65-152-340
178 7 4 224 Z65-178-040
178 7 5 280 Z65-178-050
178 7 6 336 Z65-178-060
178 7 7 392 Z65-178-070
178 7 8 448 Z65-178-080
178 7 9 504 Z65-178-090
178 7 10 560 Z65-178-100
178 7 11 616 Z65-178-110
178 7 12 672 Z65-178-120
178 7 13 728 Z65-178-130
178 7 14 784 Z65-178-140
178 7 15 840 Z65-178-150
178 7 16 896 Z65-178-160
178 7 18 1008 Z65-178-180
178 7 20 1120 Z65-178-200
178 7 22 1232 Z65-178-220
178 7 24 1344 Z65-178-240
178 7 26 1456 Z65-178-260
178 7 28 1568 Z65-178-280
203 8 4 224 Z65-203-040
203 8 5 280 Z65-203-050
203 8 6 336 Z65-203-060
203 8 7 392 Z65-203-070
203 8 8 448 Z65-203-080
203 8 9 504 Z65-203-090
203 8 10 560 Z65-203-100
203 8 11 616 Z65-203-110
203 8 12 672 Z65-203-120
203 8 13 728 Z65-203-130
203 8 14 784 Z65-203-140
203 8 16 896 Z65-203-160
203 8 18 1008 Z65-203-180
203 8 20 1120 Z65-203-200
203 8 22 1232 Z65-203-220
203 8 24 1344 Z65-203-240
229 9 4 224 Z65-228-040
229 9 5 280 Z65-228-050
229 9 6 336 Z65-228-060
229 9 7 392 Z65-228-070
229 9 8 448 Z65-228-080
229 9 9 504 Z65-228-090
229 9 10 560 Z65-228-100
229 9 12 672 Z65-228-120
229 9 14 784 Z65-228-140
229 9 16 896 Z65-228-160
254 10 3 168 Z65-254-030
254 10 4 224 Z65-254-040
254 10 5 280 Z65-254-050
254 10 6 336 Z65-254-060
254 10 7 392 Z65-254-070
254 10 8 448 Z65-254-080
254 10 9 504 Z65-254-090
254 10 10 560 Z65-254-100
254 10 12 672 Z65-254-120
254 10 14 784 Z65-254-140