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Moton Linear Racing Springs
Premium 300-Series Replacement Springs (61mm ID)
Engineered for professional motorsport, these 300mm length linear-rate springs provide the consistency required for high-level chassis tuning. Manufactured from high-tensile chrome silicone steel, they offer maximum travel with minimal weight, ensuring your Moton or AST coilovers perform at their peak.
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)
| Part Number | Lo | R | Di | Sn | Fn | St |
|---|---|---|---|---|---|---|
| AST-300-20-61 | 300 | 20 | 61 | - | - | - |
| AST-300-25-61 | 300 | 25 | 61 | - | - | - |
| AST-300-30-61 | 300 | 30 | 61 | 107 | 5790 | 193 |
| AST-300-35-61 | 300 | 35 | 61 | 114 | 6510 | 186 |
| AST-300-40-61 | 300 | 40 | 61 | 123 | 7080 | 177 |
| AST-300-45-61 | 300 | 45 | 61 | 122 | 8010 | 178 |
| AST-300-50-61 | 300 | 50 | 61 | 133 | 8350 | 167 |
| AST-300-55-61 | 300 | 55 | 61 | 133 | 9185 | 167 |
| AST-300-60-61 | 300 | 60 | 61 | 134 | 9960 | 166 |
| AST-300-65-61 | 300 | 65 | 61 | 136 | 10660 | 164 |
| AST-300-70-61 | 300 | 70 | 61 | 138 | 11340 | 162 |
| AST-300-75-61 | 300 | 75 | 61 | 140 | 12000 | 160 |
| AST-300-80-61 | 300 | 80 | 61 | 143 | 12560 | 157 |
| AST-300-85-61 | 300 | 85 | 61 | 147 | 13005 | 153 |
| AST-300-90-61 | 300 | 90 | 61 | 150 | 13500 | 150 |
| AST-300-95-61 | 300 | 95 | 61 | 154 | 13870 | 146 |
| AST-300-100-61 | 300 | 100 | 61 | 169 | 13100 | 131 |
| AST-300-110-61 | 300 | 110 | 61 | 156 | 15840 | 144 |
| AST-300-120-61 | 300 | 120 | 61 | 165 | 16200 | 135 |
| AST-300-130-61 | 300 | 130 | 61 | 176 | 16120 | 124 |
| AST-300-140-61 | 300 | 140 | 61 | 165 | 18900 | 135 |
| AST-300-150-61 | 300 | 150 | 61 | 176 | 18600 | 124 |
