Metric Coilover Springs.

More Stroke. Increased Traction and handling. Less un-sprung weight.

Swift’s innovative designs have made us a staple in the performance tuning world. Our products are the result of over 90 years of experience in industrial spring manufacturing. Our engineers have spent countless hours developing and re-developing our springs, in order to create a product that is light, durable, and compliant, while still maintaining linear spring rates.

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Quality delivering results.

Many enthusiasts will swap springs from brand to brand with the only noticeable difference being a stiffer or softer ride. But what if a spring could offer a noticeable increase in traction, smoother weight transfer, better ride quality, lower tire temperatures, and a more predictable feel? The engineers at Swift have taken that “what if” and turned it into reality.

Superior Material.

All Swift Springs are manufactured using (H5S.TW) which is far superior to silicone chrome steel and allows us to wind our springs with less coils, resulting in reduced un-sprung weight and increased stroke.

Various Rates for your preference.

Since the metric system is used widely in the sport compact and road race market, we have introduced the metric line of coilover springs to reduce confusion and to better cater to our customer’s needs.

Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2.25in) to 70mm (2.75in), spring lengths from 102mm (4in) to 254mm (10in), and spring rates from 3kg (168lbs) all the way up to 50kg (2800lbs). Whether you are looking for a comfortable ride for your commuter or a more aggressive setup for your race car, we have the right spring for your application!

DUE TO CONTINUED ENGINEERING ADVANCES, PRODUCT SPECIFICATION MAY CHANGE WITHOUT NOTICE.

ID 60MM (2.37") - 4" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z60-102-180
18.0
1008
50
2.0
55
2.2
Z60-102-200
20.0
1120
49
1.9
53
2.1
Z60-102-220
22.0
1232
48
1.9
52
2.0
Z60-102-240
24.0
1344
47
1.9
51
2.0
Z60-102-260
26.0
1456
45
1.8
51
2.0
Z60-102-280
28.0
1568
43
1.7
51
2.0
Z60-102-300
30.0
1680
43
1.7
50
2.0
Z60-102-320
32.0
1792
42
1.7
50
2.0
Z60-102-340
34.0
1904
42
1.7
48
1.9
Z60-102-380
38.0
2128
39
1.5
45
1.8
Z60-102-420
42.0
2352
37
1.5
43
1.7
Z60-102-460
46.0
2576
36
1.4
44
1.7
Z60-102-500
50.0
2800
35
1.4
42
1.7

ID 60MM (2.37") - 5" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z60-127-080
8.0
448
72
2.8
79
3.1
Z60-127-100
10.0
560
68
2.7
78
3.1
Z60-127-110
11.0
616
68
2.7
75
3.0
Z60-127-120
12.0
672
65
2.6
75
3.0
Z60-127-130
13.0
728
65
2.6
73
2.9
Z60-127-140
14.0
784
63
2.5
73
2.9
Z60-127-150
15.0
840
63
2.5
71
2.8
Z60-127-160
16.0
896
61
2.4
70
2.8
Z60-127-170
17.0
952
61
2.4
69
2.7
Z60-127-180
18.0
1008
59
2.3
68
2.7
Z60-127-200
20.0
1120
58
2.3
66
2.6
Z60-127-220
22.0
1232
55
2.2
67
2.6
Z60-127-240
24.0
1344
53
2.1
66
2.6
Z60-127-260
26.0
1456
53
2.1
64
2.5
Z60-127-280
28.0
1568
52
2.0
62
2.4
Z60-127-300
30.0
1680
51
2.0
61
2.4
Z60-127-320
32.0
1792
51
2.0
5.9
2.3
Z60-127-340
34.0
1904
49
1.9
59
2.3
Z60-127-380
38.0
2128
45
1.8
55
2.2
Z60-127-420
42.0
2352
45
1.8
52
2.0
Z60-127-460
46.0
2576
44
1.7
49
1.9
Z60-127-500
50.0
2800
41
1.6
52
2.0

ID 60MM (2.37") - 6" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z60-152-040
4.0
224
101
4.0
105
4.1
Z60-152-050
5.0
280
94
3.7
103
4.1
Z60-152-060
6.0
336
93
3.7
98
3.9
Z60-152-070
7.0
392
89
3.5
96
3.8
Z60-152-080
8.0
448
83
3.3
96
3.8
Z60-152-090
9.0
504
78
3.1
95
3.7
Z60-152-100
10.0
560
74
2.9
96
3.8
Z60-152-110
11.0
616
71
2.8
96
3.8
Z60-152-120
12.0
672
70
2.8
95
3.7
Z60-152-130
13.0
728
69
2.7
93
3.6
Z60-152-140
14.0
784
69
2.7
90
3.6
Z60-152-150
15.0
840
70
2.8
86
3.4
Z60-152-160
16.0
896
68
2.7
86
3.4
Z60-152-180
18.0
1008
65
2.6
86
3.4
Z60-152-200
20.0
1120
64
2.5
82
3.2
Z60-152-220
22.0
1232
64
2.5
80
3.1
Z60-152-240
24.0
1344
60
2.4
79
3.1
Z60-152-260
26.0
1456
59
2.3
78
3.1
Z60-152-280
28.0
1568
58
2.3
77
3.0
Z60-152-300
30.0
1680
56
2.2
71
2.8
Z60-152-320
32.0
1792
54
2.1
72
2.8
Z60-152-340
34.0
1904
55
2.2
66
2.6

ID 60MM (2.37") - 7" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z60-178-040
4.0
224
118
4.6
119
4.7
Z60-178-050
5.0
280
112
4.4
115
4.5
Z60-178-060
6.0
336
104
4.1
115
4.5
Z60-178-070
7.0
392
96
3.8
115
4.5
Z60-178-080
8.0
448
93
3.7
111
4.4
Z60-178-090
9.0
504
87
3.4
113
4.4
Z60-178-100
10.0
560
84
3.3
112
4.4
Z60-178-110
11.0
616
82
3.2
110
4.3
Z60-178-120
12.0
672
80
3.1
108
4.3
Z60-178-130
13.0
728
81
3.2
104
4.1
Z60-178-140
14.0
784
78
3.1
104
4.1
Z60-178-150
15.0
840
77
3.0
101
4.0
Z60-178-160
16.0
896
75
3.0
101
4.0
Z60-178-180
18.0
1008
72
2.8
102
4.0
Z60-178-200
20.0
1120
70
2.8
100
3.9
Z60-178-220
22.0
1232
70
2.8
93
3.7
Z60-178-240
24.0
1344
68
2.7
93
3.6

ID 60MM (2.37") - 8" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z60-203-040
4.0
224
128
5.0
136
5.3
Z60-203-050
5.0
280
125
4.9
129
5.1
Z60-203-060
6.0
336
110
4.3
132
5.2
Z60-203-070
7.0
392
103
4.1
133
5.2
Z60-203-080
8.0
448
99
3.9
131
5.1
Z60-203-090
9.0
504
95
3.7
130
5.1
Z60-203-100
10.0
560
90
3.5
129
5.1
Z60-203-110
11.0
616
89
3.5
128
5.0
Z60-203-120
12.0
672
87
3.4
124
4.9
Z60-203-130
13.0
728
86
3.4
124
4.9
Z60-203-140
14.0
784
83
3.3
122
4.8
Z60-203-160
16.0
896
81
3.2
119
4.7
Z60-203-180
18.0
1008
77
3.0
118
4.6
Z60-203-200
20.0
1120
73
2.9
118
4.6

ID 60MM (2.37") - 9" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z60-228-040
4.0
224
138
5.4
152
6.0
Z60-228-050
5.0
280
114
5.3
145
5.7
Z60-228-060
6.0
336
125
4.9
142
5.6
Z60-228-070
7.0
392
122
4.8
138
5.4
Z60-228-080
8.0
448
114
4.5
139
5.5
Z60-228-090
9.0
504
109
4.3
139
5.5
Z60-228-100
10.0
560
106
4.2
135
5.3
Z60-228-110
11.0
616
100
3.9
137
5.4
Z60-228-120
12.0
672
102
4.0
130
5.1
Z60-228-130
13.0
728
99
3.9
127
5.0
Z60-228-140
14.0
784
100
3.9
122
4.8
Z60-228-150
15.0
840
98
3.9
119
4.7
Z60-228-160
16.0
896
98
3.9
117
4.6

ID 62MM (2.44") - 5" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-127-060
6.0
336
71
2.8
86
3.4
62-127-080
8.0
448
66
2.6
82
3.2
62-127-100
10.0
560
65
2.6
76
3.0
62-127-120
12.0
672
60
2.4
77
3.0
62-127-140
14.0
784
59
2.3
73
2.9
62-127-160
16.0
896
57
2.2
72
2.8
62-127-180
18.0
1,008
54
2.1
72
2.8
62-127-200
20.0
1,120
54
2.1
68
2.7
62-127-220
22.0
1,232
51
2.0
69
2.7
62-127-240
24.0
1,344
51
2.0
65
2.5
62-127-260
26.0
1,456
50
2.0
64
2.5
62-127-280
28.0
1,568
48
1.9
64
2.5
62-127-300
30.0
1,680
48
1.9
62
2.5
62-127-320
32.0
1,792
47
1.9
61
2.4
62-127-340
34.0
1,904
46
1.8
61
2.4
62-127-360
36.0
2,016
45
1.8
60
2.4
62-127-380
38.0
2,128
45
1.8
58
2.3
62-127-400
40.0
2,240
45
1.8
56
2.2

ID 62MM (2.44") - 5.5" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-140-040
4.0
224
85
3.3
98
3.9
62-140-050
5.0
280
80
3.1
96
3.8
62-140-060
6.0
336
77
3.0
94
3.7
62-140-070
7.0
392
76
3.0
90
3.5
62-140-080
8.0
448
70
2.8
91
3.6
62-140-090
9.0
504
67
2.6
91
3.6
62-140-100
10.0
560
69
2.7
86
3.4
62-140-120
12.0
672
65
2.6
84
3.3
62-140-140
14.0
784
62
2.4
82
3.2
62-140-160
16.0
896
61
2.4
79
3.1
62-140-180
18.0
1,008
60
2.4
76
3.0
62-140-200
20.0
1,120
59
2.3
72
2.8
62-140-220
22.0
1,232
56
2.2
73
2.9
62-140-240
24.0
1,344
54
2.1
72
2.8
62-140-260
26.0
1,456
55
2.2
68
2.7
62-140-280
28.0
1,568
54
2.1
67
2.6
62-140-300
30.0
1,680
52
2.0
67
2.6
62-140-320
32.0
1,792
51
2.0
67
2.6
62-140-340
34.0
1,904
50
2.0
65
2.6
62-140-360
36.0
2,016
50
2.0
63
2.5
62-140-380
38.0
2,128
49
1.9
63
2.5
62-140-400
40.0
2,240
46
1.8
66
2.6

ID 62MM (2.44") - 6" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-152-040
4.0
224
94
3.7
105
4.1
62-152-050
5.0
280
85
3.3
105
4.1
62-152-060
6.0
336
84
3.3
100
3.9
62-152-070
7.0
392
80
3.1
98
3.9
62-152-080
8.0
448
76
3.0
98
3.9
62-152-090
9.0
504
76
3.0
93
3.7
62-152-100
10.0
560
72
2.8
94
3.7
62-152-120
12.0
672
69
2.7
91
3.6
62-152-140
14.0
784
69
2.7
85
3.3
62-152-160
16.0
896
67
2.6
82
3.2
62-152-180
18.0
1,008
62
2.4
84
3.3
62-152-200
20.0
1,120
62
2.4
80
3.2
62-152-220
22.0
1,232
59
2.3
80
3.1
62-152-240
24.0
1,344
60
2.4
75
3.0
62-152-260
26.0
1,456
58
2.3
75
2.9
62-152-280
28.0
1,568
56
2.2
75
3.0
62-152-300
30.0
1,680
57
2.2
70
2.7
62-152-320
32.0
1,792
56
2.2
68
2.7
62-152-340
34.0
1,904
54
2.1
68
2.7
62-152-360
36.0
2,016
51
2.0
72
2.8
62-152-380
38.0
2,128
53
2.1
66
2.6
62-152-400
40.0
2,240
50
2.0
70
2.7
62-152-420
42.0
2,352
51
2.0
64
2.5
62-152-440
44.0
2,464
49
1.9
67
2.6

ID 62MM (2.44") - 7" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-178-040
4.0
224
100
3.9
126
5.0
62-178-050
5.0
280
93
3.7
125
4.9
62-178-060
6.0
336
94
3.7
117
4.6
62-178-070
7.0
392
87
3.4
118
4.6
62-178-080
8.0
448
90
3.5
109
4.3
62-178-090
9.0
504
86
3.4
108
4.3
62-178-100
10.0
560
83
3.3
107
4.2
62-178-120
12.0
672
81
3.2
102
4.0
62-178-140
14.0
784
77
3.0
100
3.9
62-178-160
16.0
896
74
2.9
97
3.8
62-178-180
18.0
1,008
72
2.8
93
3.7
62-178-200
20.0
1,120
72
2.8
89
3.5
62-178-220
22.0
1,232
69
2.7
89
3.5
62-178-240
24.0
1,344
67
2.6
87
3.4
62-178-260
26.0
1,456
65
2.6
86
3.4
62-178-280
28.0
1,568
61
2.4
91
3.6
62-178-300
30.0
1,680
62
2.4
85
3.3
62-178-320
32.0
1,792
62
2.4
79
3.1
62-178-340
34.0
1,904
58
2.3
84
3.3
62-178-360
36.0
2,016
60
2.4
78
3.1
62-178-380
38.0
2,128
57
2.2
82
3.2
62-178-400
40.0
2,240
48
1.9
64
2.5

ID 62MM (2.44") - 8" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-203-040
4.0
224
116
4.6
138
5.4
62-203-050
5.0
280
106
4.2
137
5.4
62-203-060
6.0
336
101
4.0
134
5.3
62-203-070
7.0
392
98
3.9
130
5.1
62-203-080
8.0
448
97
3.8
125
4.9
62-203-090
9.0
504
96
3.8
120
4.7
62-203-100
10.0
560
97
3.8
114
4.5
62-203-120
12.0
672
89
3.5
114
4.5
62-203-140
14.0
784
85
3.3
112
4.4
62-203-160
16.0
896
80
3.1
112
4.4
62-203-180
18.0
1,008
75
3.0
113
4.4
62-203-200
20.0
1,120
75
3.0
106
4.2
62-203-220
22.0
1,232
73
2.9
104
4.1
62-203-240
24.0
1,344
71
2.8
104
4.1
62-203-260
26.0
1,456
71
2.8
98
3.9
62-203-280
28.0
1,568
66
2.6
105
4.1
62-203-300
30.0
1,680
67
2.6
99
3.9
62-203-320
32.0
1,792
67
2.6
92
3.6
62-203-340
34.0
1,904
63
2.5
98
3.9
62-203-360
36.0
2,016
54
2.1
78
3.1
62-203-380
38.0
2,128
51
2.0
84
3.3
62-203-400
40.0
2,240
52
2.0
77
3.0

ID 62MM (2.44") - 9" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-228-040
4.0
224
133
5.2
149
5.9
62-228-050
5.0
280
121
4.8
148
5.8
62-228-060
6.0
336
115
4.5
146
5.7
62-228-070
7.0
392
111
4.4
142
5.6
62-228-080
8.0
448
108
4.3
137
5.4
62-228-090
9.0
504
107
4.2
131
5.2
62-228-100
10.0
560
103
4.1
131
5.1
62-228-120
12.0
672
99
3.9
125
4.9
62-228-140
14.0
784
93
3.7
124
4.9
62-228-160
16.0
896
89
3.5
121
4.8
62-228-180
18.0
1,008
87
3.4
118
4.6

ID 62MM (2.44") - 10" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
62-254-030
3.0
168
154
6.1
172
6.8
62-254-040
4.0
224
140
5.5
168
6.6
62-254-050
5.0
280
131
5.2
165
6.5
62-254-060
6.0
336
129
5.1
156
6.1
62-254-070
7.0
392
124
4.9
152
6.0
62-254-080
8.0
448
121
4.8
147
5.8
62-254-090
9.0
504
114
4.5
147
5.8
62-254-100
10.0
560
112
4.4
144
5.7
62-254-120
12.0
672
107
4.2
138
5.4
62-254-140
14.0
784
102
4.0
134
5.3

ID 65MM (2.56") - 4" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-102-180
18.0
1008
52
2.0
56
2.2
Z65-102-200
20.0
1120
50
2.0
55
2.2
Z65-102-220
22.0
1232
48
1.9
55
2.2
Z65-102-240
24.0
1344
48
1.9
53
2.1
Z65-102-260
26.0
1456
47
1.9
52
2.0
Z65-102-280
28.0
1568
45
1.8
52
2.0
Z65-102-300
30.0
1680
45
1.8
50
2.0
Z65-102-320
32.0
1792
44
1.7
50
2.0
Z65-102-340
34.0
1904
43
1.7
49
1.9
Z65-102-380
38.0
2128
40
1.6
47
1.9
Z65-102-420
42.0
2352
40
1.6
47
1.9
Z65-102-460
46.0
2576
38
1.5
44
1.7
Z65-102-500
50.0
2800
36
1.4
43
1.7

ID 65MM (2.56") - 5" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-127-080
8.0
448
72
2.8
83
3.3
Z65-127-100
10.0
560
72
2.8
79
3.1
Z65-127-120
12.0
672
68
2.7
78
3.1
Z65-127-140
14.0
784
67
2.6
74
2.9
Z65-127-160
16.0
896
64
2.5
73
2.9
Z65-127-180
18.0
1008
63
2.5
70
2.8
Z65-127-200
20.0
1120
63
2.5
67
2.6
Z65-127-220
22.0
1232
62
2.4
65
2.6
Z65-127-240
24.0
1344
60
2.4
64
2.5
Z65-127-260
26.0
1456
58
2.3
63
2.5
Z65-127-280
28.0
1568
56
2.2
62
2.4
Z65-127-300
30.0
1680
55
2.2
62
2.4
Z65-127-320
32.0
1792
53
2.1
62
2.4
Z65-127-340
34.0
1904
52
2.0
61
2.4
Z65-127-380
38.0
2128
47
1.9
57
2.2
Z65-127-420
42.0
2352
43
1.7
62
2.4
Z65-127-460
46.0
2576
42
1.7
60
2.4
Z65-127-500
50.0
2800
42
1.7
55
2.2

ID 65MM (2.56") - 6" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-152-040
4.0
224
103
4.1
107
4.2
Z65-152-050
5.0
280
95
3.7
105
4.1
Z65-152-060
6.0
336
93
3.7
103
4.0
Z65-152-070
7.0
392
89
3.5
99
3.9
Z65-152-080
8.0
448
84
3.3
99
3.9
Z65-152-090
9.0
504
79
3.1
100
3.9
Z65-152-100
10.0
560
74
2.9
101
4.0
Z65-152-110
11.0
616
72
2.8
100
3.9
Z65-152-120
12.0
672
71
2.8
98
3.9
Z65-152-130
13.0
728
70
2.8
96
3.8
Z65-152-140
14.0
784
71
2.8
93
3.6
Z65-152-150
15.0
840
69
2.7
92
36
Z65-152-160
16.0
896
69
2.7
90
3.5
Z65-152-180
18.0
1008
64
2.5
92
3.6
Z65-152-200
20.0
1120
62
2.4
92
3.6
Z65-152-220
22.0
1232
61
2.4
90
3.5
Z65-152-240
24.0
1344
59
2.3
89
3.5
Z65-152-260
26.0
1456
57
2.2
89
3.5
Z65-152-280
28.0
1568
56
2.2
87
3.4
Z65-152-300
30.0
1680
59
2.3
83
3.3
Z65-152-320
32.0
1792
57
2.2
83
3.3
Z65-152-340
50.0
1904
58
2.3
78
3.1

ID 65MM (2.56") - 7" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-178-040
4.0
224
120
4.7
122
4.8
Z65-178-050
5.0
280
110
4.3
121
4.7
Z65-178-060
6.0
336
106
4.2
118
4.6
Z65-178-070
7.0
392
93
3.7
119
4.7
Z65-178-080
8.0
448
93
3.7
117
4.6
Z65-178-090
9.0
504
89
3.5
117
4.6
Z65-178-100
10.0
560
86
3.4
116
4.6
Z65-178-110
11.0
616
83
3.3
115
4.5
Z65-178-120
12.0
672
83
3.3
111
4.4
Z65-178-130
13.0
728
80
3.1
111
4.4
Z65-178-140
14.0
784
80
3.1
109
4.3
Z65-178-150
15.0
840
76
3.0
109
4.3
Z65-178-160
16.0
896
76
3.0
107
4.2
Z65-178-180
18.0
1008
73
2.9
105
4.1
Z65-178-200
20.0
1120
70
2.8
106
4.2
Z65-178-220
22.0
1232
68
2.7
106
4.2
Z65-178-240
24.0
1344
68
2.7
101
4.0
Z65-178-260
26.0
1456
67
2.6
96
3.8
Z65-178-280
28.0
1568
66
2.6
91
3.6

ID 65MM (2.56") - 8" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-203-040
4.0
224
132
5.2
139
5.5
Z65-203-050
5.0
280
126
5.0
133
5.2
Z65-203-060
6.0
336
118
4.6
131
5.1
Z65-203-070
7.0
392
115
4.5
127
5.0
Z65-203-080
8.0
448
107
4.2
128
5.0
Z65-203-090
9.0
504
102
4.0
128
5.0
Z65-203-100
10.0
560
100
3.9
125
4.9
Z65-203-110
11.0
616
92
3.6
126
5.0
Z65-203-120
12.0
672
92
3.6
125
4.9
Z65-203-130
13.0
728
89
3.5
125
4.9
Z65-203-140
14.0
784
87
3.4
123
4.9
Z65-203-160
16.0
896
87
3.4
116
4.6
Z65-203-180
18.0
1008
82
3.2
118
4.6
Z65-203-200
20.0
1120
79
3.1
118
4.7
Z65-203-220
22.0
1232
78
3.1
109
4.3
Z65-203-240
24.0
1344
77
3.0
109
4.3

ID 65MM (2.56") - 9" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-228-040
4.0
224
138
5.4
159
6.2
Z65-228-050
5.0
280
127
5.0
158
6.2
Z65-228-060
6.0
336
124
4.9
150
5.9
Z65-228-070
7.0
392
115
4.5
152
6.0
Z65-228-080
8.0
448
113
4.4
148
5.8
Z65-228-090
9.0
504
112
4.4
143
5.6
Z65-228-100
10.0
560
104
4.1
145
5.7
Z65-228-120
12.0
672
102
4.0
137
5.4
Z65-228-140
14.0
784
94
3.7
139
5.5
Z65-228-160
16.0
896
92
3.6
134
5.3

ID 65MM (2.56") - 10" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z65-254 -030
3.0
168
160
6.3
182
7.2
Z65-254 -040
4.0
224
157
6.2
169
6.7
Z65-254 -050
5.0
280
150
5.9
163
6.4
Z65-254 -060
6.0
336
144
5.7
158
6.2
Z65-254 -070
7.0
392
132
5.2
161
6.3
Z65-254 -080
8.0
448
125
4.9
160
6.3
Z65-254 -090
9.0
504
124
4.9
154
6.1
Z65-254 -100
10.0
560
116
4.6
157
6.2
Z65-254 -120
12.0
672
111
4.4
152
6.0
Z65-254 -140
14.0
784
100
3.9
157
6.2

ID 70MM (2.76") - 6" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z70-152 -040
4.0
224
96
3.8
113
4.4
Z70-152 -050
5.0
280
95
3.7
108
4.3
Z70-152 -060
6.0
336
90
3.5
106
4.2
Z70-152 -070
7.0
392
88
3.5
103
4.1
Z70-152 -080
8.0
448
83
3.3
103
4.1
Z70-152 -090
9.0
504
83
3.3
99
3.9
Z70-152 -100
10.0
560
80
3.1
98
3.9
Z70-152 -120
12.0
672
78
3.1
94
3.7
Z70-152 -140
14.0
784
74
2.9
93
3.6
Z70-152 -160
16.0
896
72
2.8
90
3.6
Z70-152 -180
18.0
1008
69
2.7
89
3.5
Z70-152 -200
20.0
1120
65
2.6
89
3.5

ID 70MM (2.76") - 7" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z70-178 -040
4.0
224
112
4.4
130
5.1
Z70-178 -050
5.0
280
109
4.3
125
4.3
Z70-178 -060
6.0
336
106
4.2
121
4.8
Z70-178 -070
7.0
392
100
3.9
120
4.7
Z70-178 -080
8.0
448
101
4.0
114
4.5
Z70-178 -090
9.0
504
93
3.7
116
4.6
Z70-178 -100
10.0
560
92
3.6
113
4.5
Z70-178 -120
12.0
672
87
3.4
111
4.4
Z70-178 -140
14.0
784
82
3.2
109
4.3
Z70-178 -160
16.0
896
79
3.1
107
4.2
Z70-178 -180
18.0
1008
77
3.0
105
4.1
Z70-178 -200
20.0
1120
73
2.9
105
4.1

ID 70MM (2.76") - 8" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z70-203 -040
4.0
224
129
5.1
150
5.9
Z70-203 -050
5.0
280
127
5.0
144
5.7
Z70-203 -060
6.0
336
117
4.6
137
5.4
Z70-203 -070
7.0
392
115
4.5
137
5.4
Z70-203 -080
8.0
448
105
4.1
132
5.2
Z70-203 -090
9.0
504
104
4.1
135
5.3
Z70-203 -100
10.0
560
100
3.9
130
5.1
Z70-203 -120
12.0
672
96
3.8
130
5.1
Z70-203 -140
14.0
784
94
3.7
125
4.9
Z70-203 -160
16.0
896
92
3.6
120
4.7
Z70-203 -180
18.0
1008
89
3.5
115
4.5
Z70-203 -200
20.0
1120
87
3.4
113
4.4

ID 70MM (2.76") - 9" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z70-228 -040
4.0
224
136
5.4
164
6.5
Z70-228 -050
5.0
280
127
5.0
162
6.4
Z70-228 -060
6.0
336
125
4.9
155
6.1
Z70-228 -070
7.0
392
120
4.7
152
6.0
Z70-228 -080
8.0
448
117
4.6
148
5.8
Z70-228 -090
9.0
504
116
4.6
143
5.6
Z70-228 -100
10.0
560
113
4.4
140
5.5
Z70-228 -120
12.0
672
110
4.3
133
5.2
Z70-228 -140
14.0
784
105
4.1
130
5.1

ID 70MM (2.76") - 10" Length

Spring Rate
Usable Stroke
Max Stroke
Part Number
kgf/mm
lbs/inch
mm
inch
mm
inch
Z70-254 -030
3.0
168
163
6.4
185
7.3
Z70-254 -040
4.0
224
147
5.8
182
7.2
Z70-254 -050
5.0
280
140
5.5
177
7.0
Z70-254 -060
6.0
336
134
5.3
173
6.8
Z70-254 -070
70
392
131
5.2
167
6.6
Z70-254 -080
8.0
448
125
4.9
166
6.5
Z70-254 -090
9.0
504
121
4.8
163
6.4
Z70-254 -100
10.0
560
120
4.7
158
6.2
Z70-254 -120
12.0
672
116
4.6
151
5.9
Swift Springs - Metric Coilover Springs

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