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Moton Suspension  |  SKU: AST-120-90-61

MOTON Linear Racing Springs – 120 Series (120mm x 61mm ID) - 120/90/61

$250.00 AUD
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Moton Linear Racing Springs

Premium 120-Series Replacement Springs (61mm ID)

Engineered for professional motorsport use, these 120mm length linear racing springs provide the high-tensile strength and predictable handling required for AST and Moton coilover systems. Manufactured from elite chrome silicone steel to ensure maximum travel with minimum weight.

Specifications for Part #AST-120-90-61
Open Length (Lo): 120 mm
Spring Rate (R): 90 N/mm
Inside Dia (Di): 61 mm
Block Length (Sn): 49 mm
Block Force (Fn): 6390 N
Usable Stroke (St): 71 mm
Lo Open Length (mm)
R Spring Rate (N/mm)
Di Inside Diameter (mm)
Sn Block Length (mm)
Fn Force at Block (N)
St Usable Stroke (mm)

Series Reference Chart:

Part Number Lo R Di Sn Fn St
AST-120-50-61 120 50 61 43 3850 77
AST-120-60-61 120 60 61 46 4440 74
AST-120-70-61 120 70 61 50 4900 70
AST-120-80-61 120 80 61 49 5680 71
AST-120-90-61 120 90 61 49 6390 71
AST-120-100-61 120 100 61 54 6600 66
AST-120-110-61 120 110 61 55 7150 65
AST-120-120-61 120 120 61 56 7680 64
AST-120-130-61 120 130 61 57 8190 63
AST-120-140-61 120 140 61 58 8680 62
AST-120-150-61 120 150 61 59 9150 61
AST-120-160-61 120 160 61 58 9920 62
AST-120-170-61 120 170 61 63 9690 57
AST-120-180-61 120 180 61 65 9900 55
AST-120-190-61 120 190 61 63 10830 57
AST-120-200-61 120 200 61 65 11000 55
AST-120-220-61 120 220 61 64 12320 56
AST-120-240-61 120 240 61 65 13200 55
AST-120-260-61 120 260 61 69 13260 51
AST-120-280-61 120 280 61 74 12880 46
AST-120-300-61 120 300 61 71 14700 49
AST-120-320-61 120 320 61 76 14080 44
AST-120-340-61 120 340 61 73 15980 47
AST-120-360-61 120 360 61 78 15120 42
AST-120-380-61 120 380 61 75 17100 45
AST-120-400-61 120 400 61 73 18800 47
AST-120-420-61 120 420 61 78 17640 42
AST-120-440-61 120 440 61 75 19800 45

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Moton Suspension

MOTON Linear Racing Springs – 120 Series (120mm x 61mm ID) - 120/90/61

$250.00 AUD

Moton Linear Racing Springs

Premium 120-Series Replacement Springs (61mm ID)

Engineered for professional motorsport use, these 120mm length linear racing springs provide the high-tensile strength and predictable handling required for AST and Moton coilover systems. Manufactured from elite chrome silicone steel to ensure maximum travel with minimum weight.

Specifications for Part #AST-120-90-61
Open Length (Lo): 120 mm
Spring Rate (R): 90 N/mm
Inside Dia (Di): 61 mm
Block Length (Sn): 49 mm
Block Force (Fn): 6390 N
Usable Stroke (St): 71 mm
Lo Open Length (mm)
R Spring Rate (N/mm)
Di Inside Diameter (mm)
Sn Block Length (mm)
Fn Force at Block (N)
St Usable Stroke (mm)

Series Reference Chart:

Part Number Lo R Di Sn Fn St
AST-120-50-61 120 50 61 43 3850 77
AST-120-60-61 120 60 61 46 4440 74
AST-120-70-61 120 70 61 50 4900 70
AST-120-80-61 120 80 61 49 5680 71
AST-120-90-61 120 90 61 49 6390 71
AST-120-100-61 120 100 61 54 6600 66
AST-120-110-61 120 110 61 55 7150 65
AST-120-120-61 120 120 61 56 7680 64
AST-120-130-61 120 130 61 57 8190 63
AST-120-140-61 120 140 61 58 8680 62
AST-120-150-61 120 150 61 59 9150 61
AST-120-160-61 120 160 61 58 9920 62
AST-120-170-61 120 170 61 63 9690 57
AST-120-180-61 120 180 61 65 9900 55
AST-120-190-61 120 190 61 63 10830 57
AST-120-200-61 120 200 61 65 11000 55
AST-120-220-61 120 220 61 64 12320 56
AST-120-240-61 120 240 61 65 13200 55
AST-120-260-61 120 260 61 69 13260 51
AST-120-280-61 120 280 61 74 12880 46
AST-120-300-61 120 300 61 71 14700 49
AST-120-320-61 120 320 61 76 14080 44
AST-120-340-61 120 340 61 73 15980 47
AST-120-360-61 120 360 61 78 15120 42
AST-120-380-61 120 380 61 75 17100 45
AST-120-400-61 120 400 61 73 18800 47
AST-120-420-61 120 420 61 78 17640 42
AST-120-440-61 120 440 61 75 19800 45
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