2026 Demon Tweeks Motorsport Catalogue - Flipbook - Page 395
RACE OR RALLY SUSPENSION SPRINGS
Rate
Length
6”
7”
8”
9”
10”
11”
12”
lbs/ins N/mm 152.4mm 177.8mm 203.2mm 228.6mm 254mm 279.4mm 304.8mm
80
14.03
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
100
17.54
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
125
21.92
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
150
26.31
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
175
30.8
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
200
35.08
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
225
39.47
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
250
43.85
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
275
48.24
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
300
52.63
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
325
57.01
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
350
61.4
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
375
65.78
£38.50 £39.00
£39.50
£41.50 £43.20
£44.70
400
70.17
£38.50 £39.00
£39.50
£41.50 £43.20
£44.30
£44.70
Huge range of springs available - please call if your size is not listed.
High specification race or rally suspension
springs produced in high grade alloy steel,
shot-blasted for maximum life and etched
with numbers indicating length in inches and
rates in lbs per inch of compression.
FAULKNER’S
RACE SPRINGS
Many more springs available,
please call or go online
PRICES ARE EACH
• BLACK STANDARD COLOUR
2”/51mm Internal Diameter
Rate
Length
Rate
lbs/ins
N/mm
5”/127mm
lbs/ins
N/mm
200
35.08
£52.50
750
131.57
250
43.85
£52.50
800
140.35
300
52.63
£52.50
850
149.12
350
61.4
£52.50
900
157.89
400
70.17
£52.50
950
166.66
450
78.94
£52.50
1000
175.43
500
87.71
£52.50
1100
192.98
550
96.49
£52.50
1200
210.52
600
105.26
£52.50
1300
228.07
650
114.03
£52.50
1400
245.61
700
122.8
£52.50
1500
263.15
Huge range of springs available - please call if your size is not listed.
Length
5”/127mm
£52.50
£52.50
£52.50
£52.50
£52.50
£56.00
£56.00
£56.00
£56.00
£56.00
£56.90
2.5”/65mm Internal Diameter
2.25”/58.5mm Internal Diameter
Rate
Length
6”
7”
8”
9”
10.5”
12”
14”
lbs/ins N/mm 152.4mm 177.8mm 203.2mm 228.6mm 266.7mm 304.8mm 355.6mm
200
35.08
£47.00
£49.20
£49.80
£50.70
£53.00
£55.10
£67.00
225
39.47
£47.00
£49.20
£49.80
£50.70
£53.00
£55.10
250
43.85
£47.00
£49.20
£49.80
£50.70
£53.00
£55.10
£67.00
275
28.24
£47.00
£49.20
£49.80
£50.70
£53.00
300
52.63
£47.00
£49.20
£49.80
£50.70
£53.00
£55.10
£67.00
325
57.01
£47.00
£49.20
£49.80
£50.70
£53.00
350
61.4
£47.00
£49.20
£49.80
£50.70
£53.00
£55.10
£67.00
375
65.78
£47.00
£49.20
£49.80
£50.70
400
70.17
£54.70
£55.90
£56.50
£56.60
£53.00
£55.10
£78.30
425
74.76
£54.70
£55.90
£56.50
£56.60
450
78.94
£54.70
£55.90
£56.50
£56.60
£53.50
£78.30
475
83.33
£54.70
£55.90
£56.50
£56.60
500
87.71
£54.70
£55.90
£56.50
£56.60
£60.00
550
96.49
£54.70
£55.90
£56.50
£60.00
600
105.26
£54.70
£55.90
£56.50
£60.00
650
114.03
£54.70
£55.90
£56.50
700
122.8
£58.40
£55.90
£59.90
750
131.57
£58.40
£55.90
£59.90
800
140.35
£58.40
£55.90
£59.90
Huge range of springs available - please call if your size is not listed.
Springs can now be supplied with a computer read out,
showing load in lbs, kgs or Newtons and displacement in ins or mm
at an extra cost of just £3.75 per spring
FLAT SECTION HELPER SPRINGS
2.25”/58.5mm Internal Diameter
2” Long
4” Long
lbs/ins
N/mm
lbs/ins
N/mm
4
0.7
£24.00
4
0.7 £25.00
40
7.01
£46.00
30
5.26 £47.50
60
10.52
£46.00
40
7.01 £47.50
100
17.54
£46.00
50
8.77 £47.50
150
26.31
£46.00
75
13.15 £47.50
200
35.08
£46.00
100
15.78 £47.50
250
43.85
£46.00
125
21.92 £52.50
300
52.63
£51.00
150
26.31 £52.50
350
61.40
£51.00
200
35.08 £52.50
400
70.17
£51.00
230
40.35 £52.50
450
78.94
£51.00
Huge range available - please call if your size is not listed.
2.5”/65mm Internal Diameter
2” Long
lbs/ins
4
45
60
80
110
150
210
280
N/mm
0.7
7.89
10.52
14.03
19.29
26.31
34.84
49.12
£24.00
£46.00
£46.00
£46.00
£46.00
£46.00
£46.00
£51.00
4” Long
lbs/ins
4
40
50
60
75
100
125
150
Can be supplied powder coated in different colours at an extra cost of £8.95 per spring.
N/mm
0.7
7.01
8.77
10.52
13.15
17.54
21.92
26.31
£25.00
£47.50
£47.50
£47.50
£47.50
£52.50
£52.50
£52.50
Alloy Double
Adaptor
Enables fitting of
main spring to helper
spring.
Available to suit
1.9”, 2.25” and 2.5”
internal diameter
springs. Finished in
anodised black.
1.9” Adaptor
(SEAT1.9) £25.00
2.25” Adaptor
(SEAT2.25) £25.00
2.5” Adaptor
(SEAT2.5) £25.00
Rate
lbs/ins N/mm
100
17.54
110
19.29
120
20.05
130
22.08
140
24.56
150
26.31
160
28.07
170
29.82
180
31.57
185
32.45
200
35.08
225
39.47
250
43.85
275
48.24
300
52.63
325
57.01
350
61.4
375
65.78
400
70.17
425
74.56
450
78.94
475
83.33
500
87.71
525
92.1
550
96.49
575
100.87
600
105.26
625
109.64
650
114.03
675
118.42
700
122.8
725
127.19
750
131.57
775
135.96
800
140.35
825
144.73
850
149.12
875
153.5
900
157.89
950
166.66
1000 175.43
1050 184.21
1100 192.98
1150 201.75
1200 210.52
1250 219.29
1300 228.07
1350 236.84
1400 245.61
4”
101.6mm
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£37.50
£41.00
£41.00
£41.00
£41.00
£41.00
£41.00
£47.50
£47.50
£47.50
£47.50
£47.50
£47.50
Length
5”
6”
7”
8”
9”
10.5”
12”
14”
127mm 152.4mm 177.8mm 203.2mm 228.6mm 266.7mm 304.8mm 355.6mm
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£39.20
£40.00
£41.00
£48.50
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£49.00
£52.90
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£49.00
£52.90
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£49.00
£52.90
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£49.00
£37.80
£38.00
£38.50
£39.00
£45.60
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£49.00
£37.80
£38.00
£38.50
£39.00
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£49.00
£37.80
£38.00
£38.50
£39.00
£37.80
£38.00
£38.50
£39.00
£45.60
£48.70
£37.80
£38.00
£38.50
£41.30
£41.50
£45.50
£48.20
£59.70
£66.80
£41.30
£41.50
£45.50
£41.30
£41.50
£45.50
£48.20
£59.70
£66.80
£41.30
£41.50
£45.50
£41.30
£41.50
£45.50
£48.20
£59.70
£66.80
£41.30
£41.50
£45.50
£41.30
£41.50
£45.50
£48.20
£59.70
£66.80
£41.30
£41.50
£45.50
£41.30
£41.50
£45.50
£48.20
£59.70
£66.80
£41.30
£41.50
£45.50
£48.20
£59.70
£66.80
£47.70
£47.90
£52.00
£48.20
£59.70
£66.80
£47.70
£47.90
£47.70
£47.90
£52.00
£47.90
£47.70
£47.90
£52.00
£64.70
£47.90
£47.70
£47.90
£52.00
£47.90
£47.70
£47.90
£52.00
£64.70
-
Huge range of springs available - please call if your size is not listed.
Conversion Chart
inches to mm
mm to inches
lbs/inches to kg/mm
Multiply inches by 25.4 = mm
Divide mm by 25.4 = inches
Divide lbs by 56 = kg/mm
kg/mm to lbs/inches Multiply kg/mm by 56 = lbs/inches
lbs/inches to N/mm
Divide lbs by 5.7 = N/mm
N/mm to lbs/inches Multiply N/mm by 5.7 = lbs/inches
C spanner spring platform adjuster available
ALL PRICES PLUS VAT
SUSPENSION • C O M P E T I T I O N S P R ING S
1.9”/48.5mm Internal Diameter
See page 398
• SHOP ONLINE • www.demon-tweeks.com • SALES ORDER HOTLINE • 01978 664466 •
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